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Table 2 PTSD Scales Administered to Entire NVVRS Sample

From: Reconciling disparate prevalence rates of PTSD in large samples of US male Vietnam veterans and their controls

Scale Criteria Male Vietnam Theater Veterans Male Vietnam Era Controls
   N Prev (%) 95% CI N Prev (%) 95% CI
Mississippi Scale Cutting-Score ≥ 107 1190 6.0 4.4–7.6 406 3.8 1.4–6.2
  Cutting-Score ≥ 94 1190 15.3 12.5–18.1 406 8.3 4.8–11.8
  Cutting-Score ≥ 89 1190 20.9 17.8–24.1 406 11.2 7.3–15.2
One Month D-PTSD (DSM-III-R) All-Cause PTSD 1197 3.5 2.3–4.8 412 1.6 0.0–3.1
  Combat-Related PTSD 1197 3.3 2.1–4.6 412 0.0 0.0–0.3
Lifetime D-PTSD (DSM-III-R) All-Cause PTSD 1197 8.9 6.9–10.8 412 4.6 2.2–7.1
  Combat-Related PTSD 1197 7.9 6.0–9.8 412 0.1 0.0–0.2