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 NIOSH Publication No. 2004-146

Worker Health Chartbook 2004

 Worker Health Chartbook > Chapter 2 > Nonfatal Injuries > Amputations
Chapter 2: Fatal and Nonfatal Injuries, and Selected Illnesses and Conditions

Nonfatal Injuries Involving Days Away from Work

The BLS reported 1.5 million nonfatal occupational injury and illness cases involving days away from work in 2001. Traumatic injuries and disorders accounted for 1.4 million or 92.1% of these cases. Traumatic injuries and disorders required a median of 6 days away from work in 2001 [BLS 2003a]. This section of the Chartbook provides magnitude, trend, and demographic data for cases from the following seven categories of injuries:

  • Amputations
  • Back, including spine and spinal cord
  • Bruises and contusions
  • Heat burns and scalds
  • Cuts and lacerations
  • Fractures
  • Sprains, strains, and tears

Amputations

Amputations are open-wound injuries that involve loss of a limb or other external body part. For BLS to classify an injury in this group, bone must be lost. Amputations are severe injuries. They involved a median of 18 days away from work in 2001 (Figure 2–85) compared with 6 days for all nonfatal injuries and illnesses [BLS 2003a].

In 1999, an estimated 19,700 occupational amputation cases were treated in a hospital emergency department—about 0.5% of all injuries and illnesses treated in hospital emergency departments among workers aged 15 and older (Figure 2–80). The number of cases corresponded to a rate of 1.5 amputations per 10,000 full-time workers. The highest rate of occupational amputations treated in hospital emergency departments occurred among workers under age 25; however, the greatest number occurred among workers aged 35–44. The age disparities for amputations were smaller than those observed for all types of injuries and illnesses treated in hospital emergency departments (Figure 2–80). Male workers suffered an estimated 17,200 amputations—6 to 7 times more occupational amputations than women. (Figure 2–82).

BLS reported 8,612 amputation cases involving days away from work in 2001 (Figure 2–78). Annual rates of amputation cases declined 37.5%, from 1.6 per 10,000 full-time workers in 1992 to 1.0 in 2001 (Figure 2–79). Most cases involved workers who were aged 25–54 (73.7%) (Figure 2–81), male (80.6%) (Figure 2–83), and white, non-Hispanic (64.8%) (Figure 2–84). Two occupational groups accounted for more than 75% of all amputations: operators, fabricators, and laborers (55.1%) and precision production, craft, and repair (23%) (Figure 2–86). Rates exceeding the private-sector rate were reported for agriculture, forestry, and fishing (2.7 per 10,000 full-time workers), manufacturing (2.5), construction (1.6), and mining (1.1) (Figure 2–87). Manufacturing had consistently higher rates than other industry sectors during 1992–2001 and experienced a 26.5% rate reduction (Figure 2–88).

Magnitude and Trend
How did the number of amputation cases change during 1992–2001?
chart thumbnail - click on image for larger view.Figure 2-78 Number of amputation cases involving days away from work in private industry, 1992-2001. The annual number of amputation cases involving days away from work declined 30.3% during this period, from a high of 12,352 cases in 1992 to 8,612 cases in 2001. (Sources: BLS [2003a,b].)

How did the annual rate of amputation cases change during 1992–2001?
chart thumbnail - click on image for larger view.Figure 2-79 Annual rates of amputation cases involving days away from work in private industry, 1992-2001. The annual rate of amputation cases involving days away from work declined 37.5% in the private sector-from a high of 1.6 per 10,000 full-time workers in 1992 to 1.0 in 2001. (Sources: BLS [2003a,b].)

Age
How did numbers and rates of amputations treated in hospital emergency departments differ by age of worker in 1999?
chart thumbnail - click on image for larger view.Figure 2-80 Numbers and rates of nonfatal occupational amputations treated in hospital emergency departments, by age of worker, 1999. An estimated 19,700 occupational amputations were treated in hospital emergency departments-about 0.5% of all injuries and illnesses treated in hospital emergency departments among workers aged 15 and older. The number of cases corresponded to a rate of 1.5 amputations per 10,000 full-time workers. The highest rate of occupational amputations treated in hospital emergency departments occurred among workers under age 25; however, the greatest number occurred among workers aged 35-44. (Sources: NEISS [2003]; Jackson [2003].)

How did amputations compare with all nonfatal injuries and illnesses by age of worker in 2001?
chart thumbnail - click on image for larger view.Figure 2-81 Distribution of amputation cases and all nonfatal injury and illness cases involving days away from work in private industry by age, 2001. Age data are available for 8,475 of the 8,612 BLS-estimated amputation cases involving days away from work in 2001. Three age groups (25-34, 35-44, and 45-54) accounted for 73.7% of cases, slightly less than the 75.2% reported for all nonfatal injury and illness cases. The largest difference is noted for workers under age 25, who accounted for 17.1% of amputation cases compared with 14.3% of all nonfatal injury and illness cases. (Source: BLS [2003a].)

Sex
How did amputation cases compare with all nonfatal injury and illness cases by sex of worker in 2001?
chart thumbnail - click on image for larger view.Figure 2-82 Number and rate of nonfatal occupational amputations treated in hospital emergency departments, by sex of worker, 1999. Men suffered an estimated 17,200 amputations, 6 to 7 times more amputations at work than women. (Sources: NEISS [2003]; Jackson [2003].)

How did amputation cases compare with all nonfatal injury and illness cases by sex of worker in 2001?
chart thumbnail - click on image for larger view.Figure 2-83 Distribution of amputation cases and all nonfatal injury and illness cases involving days away from work in private industry by sex, 2001. Male workers accounted for many more amputation cases (80.6%) than all nonfatal injury and illness cases (66.1%) in 2001. However, female workers accounted for fewer amputation cases (19.4%) than all nonfatal injury and illness cases (33.9%). (Source: BLS [2003a].)

Race/Ethnicity
How did amputations compare with all nonfatal injuries and illnesses by race/ethnicity in 2001?
chart thumbnail - click on image for larger view.Figure 2-84 Distribution of amputation cases and all nonfatal injury and illness cases involving days away from work in private industry by race/ethnicity, 2001. Race/ethnicity data are available for 7,208 of the 8,612 BLS-estimated amputation cases involving days away from work in 2001. White, non-Hispanic workers accounted for slightly fewer amputation cases (64.8%) than all nonfatal injury and illness cases (68.2%), as did black, non-Hispanic workers (10.3% versus 11.9%). But Hispanic workers accounted for more amputation cases (23%) than all nonfatal injury and illness cases (17.1%). (Source: BLS [2003a].)

Severity
How did amputations compare with all nonfatal injuries and illnesses when measured by days away from work in 2001?
chart thumbnail - click on image for larger view.Figure 2-85 Distribution of amputation cases and all nonfatal injury and illness cases involving days away from work in private industry by days away from work, 2001. Higher percentages of long-term work loss (6-10, 11-20, 21-30, and 31 or more days away from work) were reported for amputation cases in 2001. Thirty-one or more days away from work were reported for 34.6% of amputation cases compared with 22.0% of all nonfatal injury and illness cases. For amputation cases, workers experienced a median of 18 days away from work in 2001-much higher than the median of 6 days for all nonfatal injuries and illnesses. (Source: BLS [2003a].)

Occupation
How did amputations compare with all nonfatal injuries and illnesses by occupation in 2001?
chart thumbnail - click on image for larger view.Figure 2-86 Distribution of amputation cases and all nonfatal injury and illness cases involving days away from work in private industry by occupation, 2001. Two occupational groups accounted for more than 75% of all amputations in 2001: operators, fabricators, and laborers (55.1%) and precision production, craft, and repair (23%). The same two occupational groups accounted for more than half (57.8%) of all nonfatal injuries and illnesses. (Source: BLS [2003a].)

Industry
How did the rate of amputations differ by private industry sector in 2001?
chart thumbnail - click on image for larger view.Figure 2-87 Incidence rate of amputation cases involving days away from work in private industry by industry sector, 2001. Private industry reported an amputation incidence rate of 1.0 per 10,000 full-time workers in 2001. Higher rates were reported for agriculture, forestry, and fishing (2.7 per 10,000 full-time workers or 401 cases), manufacturing (2.5 per 10,000 full-time workers or 4,239 cases), construction (1.6 per 10,000 full-time workers or 949 cases), and mining (1.1 per 10,000 full-time workers or 64 cases). (Source: BLS [2003a].)

How did the rates of amputations change by private industry sector during 1992–2001?
chart thumbnail - click on image for larger view.Figure 2-88 Annual rates of amputation cases involving days away from work by private industry sector, 1992-2001. The annual rate of amputations declined 37.5% in the private sector during 1992-2001. During this period, rates declined for each of the major industry sectors. Manufacturing had consistently higher rates than other industry sectors during the 10-year period and experienced a 26.5% reduction. (Sources: BLS [2003a,b].)

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