title: Work-related knee injuries treated in US emergency departments.
abstract: OBJECTIVE
  To characterize work-related knee injuries treated in US emergency departments (EDs).
  
  
  METHODS
  We characterized work-related knee injuries treated in EDs in 2007 and examined trends from 1998 to 2007 by using the National Electronic Injury Surveillance System-occupational supplement.
  
  
  RESULTS
  In 2007, 184,300 (± 54,000; 95% confidence interval) occupational knee injuries were treated in US EDs, accounting for 5% of the 3.4 (± 0.9) million ED-treated occupational injuries. The ED-treated knee injury rate was 13 (± 4) injuries per 10,000 full-time equivalent workers. Younger workers and older female workers had high rates. Strains/sprains and contusions/abrasions were common-frequently resulting from falls and bodily reaction/overexertion events. Knee injury rates declined from 1998 through 2007.
  
  
  CONCLUSIONS
  Knee injury prevention should emphasize reducing falls and bodily reaction/overexertion events, particularly among all youth and older women.
authors: Division of Preventive and Occupational Medicine, Department of Family and Community Medicine, Nashville, Tenn., USA.
authors: Zhiqiang
authors: Z
authors: Chen
authors: Sangita
authors: S
authors: Chakrabarty
authors: Robert S
authors: RS
authors: Levine
authors: Muktar H
authors: MH
authors: Aliyu
authors: Tan
authors: T
authors: Ding
authors: Larry L
authors: LL
authors: Jackson
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D000369:Aged, 80 and over; D016010:Binomial Distribution; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D007718:Knee Injuries / Q000453:epidemiology* / Q000209:etiology / Q000628:therapy; D008297:Male; D008875:Middle Aged; D060051:Occupational Injuries / Q000453:epidemiology* / Q000209:etiology / Q000628:therapy; D011159:Population Surveillance; D012044:Regression Analysis; D017678:Sex Distribution; D014481:United States / Q000453:epidemiology; D055815:Young Adult
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