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. 2019 Mar 27;154(7):600–608. doi: 10.1001/jamasurg.2019.0151

Figure 1. Data Flow Diagram.

Figure 1.

Wounded in action (WIA), killed in action (KIA), died of wounds (DOW), and returned to duty (RTD) are administratively determined categories, not medically determined designations. Killed in action and DOW are designations meant to distinguish administratively between deaths occurring before a casualty reaches a treatment facility (KIA) and after reaching a treatment facility (DOW). CFR indicates case-fatality rate; DCAS, Defense Casualty Analysis System; DoDTR, Department of Defense Trauma Registry; and MTF, military treatment facility.