The Lost Time Injury frequency rate (LTIFR) measures the number of lost-time injuries per million hours worked during a single financial year. Industry benchmarking. 31 compared to 1. 0 0. 1 per 200,00 working hours 1 by 2025. A lost-time injury (LTI) is something that results in a fatality, permanent disability, or time lost from work. This can be due to injuries, illnesses, or other occupational hazards. How to calculate lost time incident rate. The number 200,000 is used because it is the total number of hours 100 employees would work in a year (100 workers x 40 hours x 50 weeks). 92 injuries per million hours worked. Not every company will reach zero harm, but lower accident frequency rates are good for everyone. Consider this example to best understand this calculation: if your organization suffered two lost time injuries during a period of 50,000 work hours (or three months), you would divide 3 by 50,000 and multiply the resulting 0. (10 lost time injuries x 1,000,000) / 500,000 = 20 lost time injuries per million hours worked You can see some LTIFR industry averages here. Feedback can also be emailed to statsonline@swa. The Lost Time Incident Rate (LTIR) is a metric for organizations to analyze their team member injuries over time, resulting in missed work and, therefore, higher costs to the organization. #2 Lost Time Injury Rates – Dark Arts in the Boardroom. Overview of Lost Time Incident Value and hers CalculatorGood accident rates are not a true reflection of a good safety culture The Pitfalls and Challenges • Too much time wasted on investigating non significant. Using the medical treatment injury frequency rate enables companies to measure medical. 0% is considered good) Lost Time Incident Rate (LTIR) is a metric used to record the average number of incidents leading to an employee being unable to work for a minimum of one day during a set period. Why 200,000? 200,000 represents forty hours a week that 100 employees would work for 50 weeks during one year. LTIFR will typically be calculated for a specific workplace or project, but it can also be expanded to measure safety in specific regions or industries as well. 4: Manufacturing: 2. Further work 36. 47 Near Miss Report Frequency Rate 3 Workers Died 14. HSSE WORLD. The formula for calculating lost time injury frequency rate is the number of lost time injuries multiplied by 1,000,000, divided by the employee total hours worked. Takes time off for recovery. 2 (2017 BLS Ind. . 03 in 2019. Enter N = Number of Recordable Injuries and/or Illnesses in One Year EH = Total Number of Hours Worked by all Employees in One Year 200,000 = Equivalent of 100 Full-Time Employees Working 40 Hour Weeks. So say this mythical business had 791 employees, we get 7 X 100 = 700. Total Case Incident Rate (TCIR) or Total Case Rate (TCR) is defined as the number of work-related injuries per 100 full-time workers during a one-year period. of loss time injuries X 1,000,000) / No. Incident rates such as LTIR indicate not just the number of incidents that have occurred but also how severe they were. TABLE 1. LTI stands for Lost Time Injury. An incidence rate of injuries and illnesses may be computed from the following formula: (Number of injuries and illnesses X 200,000) / Employee hours worked = Incidence rate. Hazard reporting can help to:Incidence is the most basic expression of risk. 8:. The resulting number is an important one: in most countries, an organization's LTIFR is the principal measure of its safety performance. Ave. Use them as general benchmarks for your own organization’s performance. 7% reported more than 14 days off work, and 15% led to. 3. ↓53%. How to calculate Incident rate. This number equates to 100 employees, who work 40 hours per week, and who work 50 weeks per year. TRIR calculations reflects the number of recordable injuries per 100 full-time workers during a one-year period. It could be as little as one day or a shift off work being lost, or months of rehabilitation. Generally, a good TRIR safety rate would be around 3. Incidence Rate: A measure of the frequency with which a disease occurs in a population over a specified time period. These three trailing indicators can provide some good insights: TRIR (Total Recordable Incident Rate) DART (Days Away, Restricted or Transferred) EMR (Experience Modification Rate) Like a report card, trailing indicators, also known as lagging indicators, measure your safety performance based on past incidents or conditions. This number equates to 100 employees, who work 40 hours per week, and who work 50 weeks per year. 316998. Classification of occupational injuries 25 12. OSHA-specific statistics on data and time-series information is monitored through the OSHA Office of Statistics; fatalities in. Incident rates are collected on a per-company basis and are then aggregated by industry, demographics, and other. All other leather good and allied product manufacturing. 24 per million hours worked in 2019, 8% lower than 2018’s 0. 0, with the average TRIR in construction being. To calculate the lost time injury frequency rate (LTIFR), you’ll need to gather some information about your. Your lost time incident rate would be 7. This comparison is a safety benchmark to gauge performance with other companies in the same business group, so you can make an “apples to apples” comparison. LTIFR refers to Lost Time Injury Frequency Rate, the number of lost time injuries occurring in a workplace per 1 million hours worked. This. The total hours worked in this period (for all employees) was 800,000. So, putting these two data in the above formula, we would get -. Telephone Toll-Free: 1-855-282-9222 or 416-581-8875. a. The use of. To calculate. For comparison purposes, we. 2) • Days Away, Restricted or Transferred = 0. Total number of hours worked by all employees. 3: 0. How To Reduce Lost Time Injury Rates. No wonder it’s becoming more and more difficult to engage your workforce in safety training. 7: Mining: 1. From 2019 to 2022, we saw our worldwide recordable incident rate improve by almost 24%. Lost Time Injury Frequency Rate (LTIFR) This KPI calculates the number of lost-time injuries per million hours worked. As you can see, there are just three parts of the LTIFR formula, two of which need to be reconciled on your end, and then the 1,000,000 figure which. b. Health, Safety, Security and Environment. HSSE WORLD-WIDE. All it requires is for you to choose the leading indicators you think will make the most difference in your safety program. The lost time injury frequency rate (LTIFR) is calculated using two pieces of essential information: the LTI within a given time frame, and the amount of hours worked in that time frame. Inclusions: Lost-Time Injuries (LTIs) are allowed injury/illness claims by workers who suffer a work-related injury/disease which results in being off work past the day of the accident, loss of wages/earnings, or a permanent disability/impairment. Lost Time Incident Rate is a standard OSHA metric that calculates the number of incidents that result in time away from work. The Osha Lost Time Incident Rate Calculator is a valuable tool for employers and safety professionals to assess workplace safety performance and identify potential. Lost Time Injury assessment follows a simple calculation to indicate your performance. Lower incident rates generally indicate better safety performance. 6 0. HSSE WORLD. Incidence is a measure of disease that allows us to determine a person's probability of being diagnosed with a disease during a given period of time. The severity rate calculation from here would be: Severity rate = (25 lost work days x 200,000) / 2,000,000 hours worked = 1 lost day per accident. Using this standardized base rate. This study aims to analyze safety indicators, mainly TRIR, LTIF, and KPIs. The formula for calculating a company's incident rate is fairly simple to complete: (The number of incidents in a year x 200,000) / the total number of hours worked by all team members in a year = incident rate. 200,000 is a standard number to measure incident rates so companies of varying sizes can be compared fairly. Keyword Search of Available BLS Injury/Illness and Fatality Data, and Publications. F. LTIFR calculation formula. The definition of L. DAFW cases, which occurred at an incidence rate of 26. 4. As measurements of past performance orlagging indicators, they are very useful in assessing your current safety system. Skip to content. Incident rate, TRIT or Total Case Incident Rate (TCIR) is the number of work-related injuries per 100 full-time employees during a year. 7 cases in 2021. To put it into perspective: Total Recordable Incident Rate (TRIR): A TRIR of 1. (Number of lost time cases x 200,000) / total number of hours worked by employees. To calculate your LTIFR, simply plug those numbers into your formula: (6 x 1,000,000) / 2,500,000 to get a LTIFR = 2. Skip to page. LTIFR or the lost time injury frequency rate is a safety measure which refers to the number of lost time injuries occurring per 1 million hours worked. Then, the number is multiplied by 200,000 to make it easier to use and interpret. The TRIR is a percentage rate of recordable incidents per 100 employees. The Safety Geek · December 10, 2022. Since 2019, we have reduced the number of injuries resulting in employees needing time away from work by 53%. Lost time injuries; Restricted work injuries; Medical treatment injuries; If you calculate each of these categories individually, then you can roll them into the AIFR rate to calculate that all injury frequency rate. travels 12,000 to 15,000 miles annually, and each year has a. Health, Safety, Security and Habitat. TRIR = 6 x 200,000 / 500,000. The severity rate calculation from here would be: Severity rate = (25 lost work days x 200,000) / 2,000,000 hours worked = 1 lost day per accident. In 2022, the rate of injury cases in the private sector was 2. 12/08/2023 . HSSE WORLD. 1-866-777-1360 M-F 6am - 4:30pm PST. The Lost Time Incident Rate (LTIR) is a crucial metric in occupational health and safety, providing insights into the frequency of lost time incidents within a specific. Please visit the website and fill out the short online. Lost Workday Case Incidence Rate (LWIR): Number of days lost due to nonfatal injuries and/or work-related illnesses per 100 full-time employees. Employee Labor Hours Worked. In 2018, the TRIR was 0. • Lost Time Injury Rate • Days Away, Restricted or Transferred • Loss Rate • Cost per Worker Hour Rate EXPERIENCE MODIFICATION RATING (EMR) EMR recognizes the. The severity rate for this company would equal 1 days per incident - so on average, each incident results in one day off work. 2. In this. Lost Time Incident Rate (LTIR) is a metrics used to rekord the average number of incidents leading to an employee presence unable up work for a minimum of one day during a set period. Let's demystify the LTIR charging! Here's the formula and all you want go know about this key OSHA safety metric. For the purpose of this policy, impairment plus a loss of earning capacity refers to disability in pre-1990 claims. The 200,000 figure in the formula represents the number of hours 100 employees working 40 hours per week, 50 weeks per year would work, and provides the standard base for calculating incidence rate for an entire year. Even going from 10 lost times to 0 is not a good progression. In 2013, the number of lost time injuries per million hours worked declined to 0. 3 cases per 100 full-time equivalent workers, unchanged from 2021. As you can see from the above formula and calculation, a low severity. 2. The 2016 lost-time injury rate was 0. 1 in 2010 and 13. 38 1. LTI stands for Lost Time Injury. Total nonfatal work injury and illness rates, private industry; Year Total recordable cases Cases involving days away from work, job restriction, or transfer Other recordable cases;. The key difference is LTIFR is calibrated to one million hours. A single injury or illness has a much greater effect on incidence rates in small establishments than on larger establishments. Select an injury type from the drop-down menu OR enter the total workers' compensation costs. 7. 5. Our performance against our key focus areas was as follows: Prevention and control of spills:. TRIR = 6 x 200,000 / 500,000. PepsiCo now reports LTIR as Lost Time incidents per 200,000 hours worked. The human attention span has been dwindling since the mass-adoption of the Internet. Lost-time injury frequency rate (LTIFR) industry benchmarks, 2018-19 to 2020-21p. Lost Time Injury Rate (LTIR) Quantity 0. We would like to show you a description here but the site won’t allow us. The LWR formula is defined as the total number of workdays lost multiplied by 200,000, divided by the total number of hours worked by all employees within a given period. Our accident calculator uses the following incidence rate formula: TRIR = (Number of recordable injuries × 200000) / Hours worked. Below are a few 2018 OSHA recordable industry incident rate averages. Feedback can also be emailed to [email protected] recordable incident rate, also known as Total Recordable Incident Rate (TRIR), is the number of incidents which have occurred on-site, usually within a year,. OSHA uses the 200,000 number because it represents the hours 100 employees would work in a year, or 100. A lost time accident is an accident occurring at work that results in at least one day's absence from work, not including the day that the accident occurred. The importance of tracking lost time. Here's how this formula works: TRIR Rate =. Across all industries, OSHA’s average incident rate is 2. There is uncertainty associated with the performance data due to variation. Comparative measures 19 Frequency rates 1 9 Incidence rates 1 9 Severity rates 2 0 Days lost per case of injury 2 0 9. Skip to content. Amazon's overall injury rate in 2020 was 6. The website delivers national work health and safety and workers’ compensation data in an intuitive, user-friendly way. 2. a permanent disability/impairment. 5 0. 1. Since 2019, our workforce has more than doubled in size, growing nearly 140%. It is a metric used by companies to monitor the sustained injury of an employee that results in the loss of productive time. Number of injuries per 1000. 7 person-yrs. So, a company with 85 lost work days over 750,000 hours worked would have a severity rate of 22. Take the number from Step 3 and divide it by the number from Step 2. Multiply the sum of this by 200,000. On the day of the assassination, Mr Landis, then 28, was detailed to Jackie Kennedy. As measurements of past performance orlagging indicators, they are very useful in assessing your current safety system. Lost Time Injury Frequency Rate (LTIFR) • Is a principle measure of a safety performance in many companies and it has two main component 1. The lost time injury rate (LTIR) of an organization, a jobsite, or a department is calculated using a simple formula. 94 lost-time claims per 100 workers. As a result of these initiatives we have seen incident rates reduce to around 20–30 per year in comparison to 2014, when 81 reported incidents were linked to machine safety. Your Lost Time Incident Rate would be 7. 6 fatalities per 100,000 full-time equivalent (FTE) workers, up from 3. The estimated number of people with an over-3-day absence injury at any time. A recordable incident is any work-related injury and illness that result in death, loss of consciousness, days away from work, restricted work activity, transfer to another job, or medical treatment beyond first aid. The procurement process for suppliers, contractors and outsourcers should specify selection using the hierarchy of controls which require the most effective elimination of the hazard, to be implemented before relying on. Who lower aforementioned rate, the safer an enterprise. The Lost Time failure Rate of a company gives employees, travel, and stakeholders on indication a how save the company’s practices are. The Lost Time Case Rate, also referred to as LTC Rate, is a standard workplace safety metric like OSHA’s Total Recordable Incident Rate. Industrial Accidents Statistics in Japan (2022) Statistics of Workers' Health Condition in Japan (2022) EU data. co. “Hours worked” should not include any nonwork time, even though paid, such as vacation, sick leave, holidays, and so forth. The Lost Time Incident Rate (LTIR) is a metric for organizations to analyze their team member injuries over time, resulting in missed work and, therefore, higher costs to the organization. (b) The number of hours all employees actually worked. LTIR (Lost Time Incident Rate) LTIR is calculated by the number of lost time cases x 1,000,000 then divided by the total hours worked. 39 (construction average is 3. See moreAs with other incident rates, a good Lost Time Incident. Work Experience Over Time ;. Lost-Time Injury Frequency Rate. To calculate the incidence rate, we use this incidence rate calculator: Total number of new cases = 1; and; Total population at risk = 50,000. Besides, LTIR is one of the metrics that must be reported to. 44 15. TRIR calculates the total amount of recordable incidents within a. Companies have healthier and happier employees, people get to go home at the end of the day, and projects get delivered on time and on. What Does Lost Time Injury Incidence Rate (LTIIR) Mean? Lost time injury incidence rate (LTIIR) refers to the number of lost time injuries relative to the number of employees calculated over a specified time period. TRIT is a metric for measuring a company's safety records against the industrial national average. The other element of the equation is the standardized rate, that is to say, there are X number of LTIs per a set amount of time. In this example, the total hours worked for the company during the year worked totaled 500,000. 94 lost-time claims per 100 workers. Historically, frequency measures of injury outcome have been at the centre of work health and safety performance evaluation. The severity rate calculation from here would be: Severity rate = (25 lost work days x 200,000) / 2,000,000 hours worked = 1 lost day per accident. 200,000 is a generally accepted baseline number of a lost time injury calculation as this. Thus, the solution from the incidence rate definition is: 1 / 50,000 * 100,000 = 2. The index is calculated in Eq. The severity rate for this company would equal 1 days per incident - so on average, each incident results in one day off work. 0: 2. TRIR = 2. These indicators serve to accurately and reliably measure the progress made regarding the prevention of personnel injury. Guidelines. # 1: Passion for Safety – Please no! 29 August 2019. Calculating one OSHA Incident Price and other safety rates is an useful tool for businesses to evaluate the frequency of onsite personal and sick. au. Total case rate (TRC) is represented by total number of OSHA 300 injuries and illnesses per 100 full-time workers and were calculated as: (N/EH) x 200,000, where N = number of injuries and illnesses EH = total hours worked by all employees during the calendar year 200,000 = base for 100 equivalent full-time workers (working 40 hours per. Select "Add/Calculate" to compute the total direct and indirect costs. The LTIFR is the average. The denominator for a rate (person-time) is a more exact expression of the population at risk during the period of time when the change from non-disease to disease is being measured. Here’s how to do it: Step 1: Determine the number of LTIs that have occurred during a specific time period. The incident rate, reflecting workplace incidents per hours worked, is a vital. As the name implies, the injury severity rate attempts to measure how critical the injuries and illnesses experienced by a certain group of employees (in a given workplace or across an entire industry) by using the number of days lost as a. The website delivers national work health and safety and workers’ compensation data in an intuitive, user-friendly way. gov. Research suggests that there are predictable ratios or 'accident triangles' which describe the relationship between lost time injury rates and the incidence of events such as minor injuries and non-injury accidents 3. 99. Injury rate. If you had a really good. In many industries, a good TRIR is 3. They also include TRIR/TRIF - Total Recordable Incident Rate. 4 . 6) • Company OSHA Lost Time Injury Rate Goal: 1. The Lost time injury frequency rate states the number of lost time injury per 1000000 man-hour, while. It is a workplace injury or illness that results in an employee being unable to perform their regular job duties for at least one full working day following the incident. Lost time injury refers to an injury sustained by an employee at work that results in absenteeism or a delay in the normal workload performed by that employee. 5 have experienced lost time due to an incident. LTIFR = (14 / 800,000) x 200,000 = 3. Español. 0, with the average TRIR in construction being. It helps to assess the overall safety performance and identify trends. Strategize to Reduce Lost Time Accidents on Site Strategies should be in place prior to the commencement of any works. There is a difference between the frequency rate and the severity rate of injuries. The estimated number of people with an over-3-day absence injury at any time. In the formula, 200,000 signifies the total number of hours worked by 100 employees over the course of. Below are a few 2018 OSHA recordable industry incident rate averages. 0000175. OSHA Recordable contra. LTIFR calculation formula. 5% resulting in lost-time. In its defence it is often argued that lost time injury rates are a simple measure that all workers can understand. 4. ([Number of lost time injuries in the reporting period] x 1,000,000) / (Total hours worked in the. ADDITIONAL RULES FOR COUNTING DAYS. # 1: Passion for Safety - Please no! 29 August 2019. Calculated who OSHA Incident Rate and other safety rates is a use tool for businesses to ranking the frequency of onsite wounds and illnesses. In addition to preventing harm, an organization can promote workers’ health by offering healthcare services or voluntary health promotion services and programs,DART is used in a similar way to other lagging safety indicators like lost time injury frequency rate, to enable workers, safety teams and companies to take a look back at a specific period of time and assess that specific measure of safety performance. 5. The choice of 200,000 as a constant multiplication factor is because OSHA assume the value. Number of recordable incidents (injuries and illness) per 100 full-time employees. 02785 per person-year = 28 per 1,000 person-years. Number of days lost due to injury/illness (annually) x 200,000 /. 4 Borax Argentina Recordable Incident Rate (RIR) Quantity ‐ ‐ 1. 1:. 86. And, the overall lost time injury rate (LTIR) (fatalities and lost work day cases) was 0. This number tells you the number of lost time injuries per 100 worker years (equivalent to 2000 hours. The LTIFR is generally considered the company’s most significant measure of safety performance. The formula for calculating lost time injury frequency rate is the number of lost time injuries multiplied by 1,000,000, divided by the employee total hours worked. 5 will have had a recordable injury or illness. The Total Case Incident Rate (TCIR) is defined as the number of work-related injuries per 100 full-time workers during a one year period. The lost time incident rate is calculated by dividing the number of lost time incidents by the number of hours worked and then multiplying by 1,000,000. Lost Time Injury Frequency Rate reflections by the late George Robotham – More Pearls of Wisdom Here The Lost Time Injury Frequency Rate is the principal measure of safety performance in many companies in Australia. Health, Safety, Security or Environment. What is a good lost time injury rate? Use them as general benchmarks for your own organization’s performance. Get Demo. The formula is as follows: ( x. The Recordable Incident Rate (RIR) is a mathematical calculation used by OSHA that describes the number of employees per 100 full-time employees that have been involved in an OSHA-recordable injury or illness. This number equates to 100 employees, who work 40 hours per week, and who work 50 weeks per year. 70). Work fatality statistics are similar to figures for homicides but get less attention on methods to reduce deaths. The Lost Time Injury Frequency Rate (L TIFR), measured as the number of lost-time injuries per million hours worked, has been steadily reducing over the last ten years (Figure 1). 26 injuries per million hours worked. A lost time injury is an injury sustained on the job by worker that results in the loss of productive work time. Days Away, Restricted, or Transferred (DART) Rate, and Lost Time Incident Rates. A lost day is any day or shift that an employee is. 4 per 100,000 FTE in 2020. The Total Recordable Injury Rate (TRIR) in the US is at an all-time low. In addition to measuring your lost time injury frequency rate, be sure to consider things like: Injury severityHow to calculate lost time incident rate. 0000175. proceedings of a Worksafe Australia workshop, Beyond Lost Time Injuries, held in Sydney in May 1994. What is a good lost time incident rate? LTIR at small companies How to lower your LTIR Step 1: Understand the risks Step 2: Create a plan Step 3: Educate employees Step 4:. 5 percent from 2021. Very many large organizations now go for long periods of time, sometimes years, without recording a lost-time injury. From 2019 to 2022, we saw our recordable incident rate improve by almost 24%. From payroll or other time records. Is Lost time a recordable? An injury will only be recorded as a lost time injury if it results in time off work, or if the employee is unable to perform their regular. The standard base rate of calculation is based on a rate of 200,000 labor hours. Severity rate = Man days lost due to lost time injury × 1 000 000 / Man - hours worked. 1. 8) • Loss Rate = 0. Divides and total number of lost time injuries the a certain time spell in the total number of less working in that period, then multiplies by 200,000 in received the LTIR. The result is then multiplied by 200,000. 5, which means that for every 100 employees, 7. Transportation and Warehousing = 4. What is a good lost zeit event rate? Ideally, you want your LTIR to be as blue while possible, but, realistically, the best path on. LTIs are often measured as part of safety performance indicators and can have significant consequences for both employees. WORKPLACE SAFETY & HEALTH REPORT, 2022 5 HIGHER RATE OF WORKPLACE FATALITIES IN THE FIRST HALF OF 2022 ABATED BY THE PROGRESSIVE. These three trailing indicators can provide some good insights: TRIR (Total Recordable Incident Rate) DART (Days Away, Restricted or Transferred) EMR (Experience Modification Rate) Like a report card, trailing indicators, also known as lagging indicators, measure your safety performance based on past incidents or conditions. This results in a lost-time injury incident rate of 12 injuries per 200,000 hours worked. Rate = 200,000 * Rec. 2 cases per 10,000 FTE workers and required a median of 14 days away from work. 2 2. 27 29. Health, Security, Security and Environment. a permanent disability/impairment. As with other incident rates, a good Lost Time Incident. In some organizations, graphing key safety metrics over time often reveals a series of peaks and valleys in actual safety performance. 100+ Short Workplace Safety Topics from [A-Z] – Free Download. lost time injury rates; Total case incident rate; Precursor events including: Equipment failures; Near misses; The other thing to always keep in mind when preparing and managing your safety scorecard is that more is not. Table 8: Number of man-days lost to workplace incidents in selected industries, 2021-2022 . • Lost Time 77 Incidents • Incident No 22 Injury 223 • Near Misses * Note: One HiPo awaiting categorisation to be confirmed. You’d use the overall number of lost time incidents (LTI), as defined above, within an LTIR calculation. Overview of Lost Time Incident Ratings and its CalculatorA simple formula for calculating accident incidence (frequency) is to: Take the total number of recordable incidents for the year from your OSHA 300. 72 10. 5 Lost Time Injury Rate (LTIR) Quantity ‐ ‐ 3. Overview of Lost Time Incident Rating and is ComputingAnswer. Takes time off for recovery. Now, you are probably wondering what makes a strong TRIR. Offering flexible working arrangements. Lost time injuries; Restricted work injuries; Medical treatment injuries; If you calculate each of these categories individually, then you can roll them into the AIFR rate to calculate that all injury frequency rate. A lost time injury (LTI) is an injury sustained on the job by an employee that results in the loss of productive work time. 09 in 2019. One reason for the high frequency of accidents for fleet drivers is because of the number of miles they drive per year. Having an open communication policy so that employees feel comfortable talking to their supervisor. AMPERE lost zeitpunkt accident is an incident resulting in on associate supported an injury, while lost time traumatic are the physical or mental damage leading to the employee being leave from work. These metrics. Read Also: See how LTIFR is calculated from LTI (Lost time injury) NOTE: OSHA requires accident rates to be calculated as incidents per 100 full-time employees. Lost Time Injury rate follows a simple formula to indicate your performance. LTIFR or the lost time injury frequency rate is a safety measure which refers to the number of lost time injuries occurring per 1 million hours worked. OSHA uses the 200,000 number because it represents the hours 100 employees would work in a year, or 100. Leave to content.