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Table 5 Temporal changes in injury-related mortality rate ratios (95%CIs) in various studies

From: A systematic review of post-deployment injury-related mortality among military personnel deployed to conflict zones

Conflict Study Follow-up Period (years) All External Causesb Motor Vehicle Eventsb Suicide (E950–959)b Homicide (E960–969)b
Vietnam Boyle et al. 1987 & Boehmer et al. 2004 [9, 29] ≤ 5 ND 1.93 (1.16–3.22) 1.72 (0.76–3.88) 1.52 (0.59–3.91)
   6–14 ND 1.16 (0.72–1.87) 0.64 (0.32–1.30) 0.78 (0.39–1.55)
   6–30 ND 1.02 (0.73–1.43) 0.93 (0.64–1.34) 0.80 (0.50–1.26)
Gulf Kang & Bullman 2001 [57] ≤ 1.7 ND 1.32 (1.13–1.53) ND ND
   1.8–3.3 ND 1.21 (1.01–1.45) ND ND
   3.4–5.0 ND 1.17 (0.98–1.40) ND ND
   5.1–6.7 ND 1.00 (0.82–1.22) ND ND
  MacFarlane et al. 2005 [59] ≤ 6 1.13 (1.06–1.63) ND ND ND
   7–13 1.05 (0.83–1.33) ND ND ND
  1. aValues are mortality rate ratios (conflict-zone veterans/non-conflict-zone veterans) with 95% confidence intervals.
  2. bND = No data reported in article