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Table 3 PTSD Scales Administered to NVVRS Clinical Subsample

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 ≥ 107 259 7.0 3.8–10.2 55 12.1 1.0–23.2
  Cutting-Score ≥ 94 259 14.9 10.3–19.5 55 19.0 5.1–33.0
  Cutting-Score ≥ 89 259 20.4 14.7–26.1 55 26.3 16.0–36.6
MMPI-Keane Scale Cutting-Score ≥ 30 232 3.8 1.0–6.6 50 10.1 0.0–23.2
  Cutting-Score ≥ 26 232 5.9 2.6–9.3 50 10.1 0.0–23.2
  Cutting-Score ≥ 14 232 14.5 9.9–19.2 50 28.1 11.8–44.3
One Month D-PTSD (DSM-III-R) All-Cause PTSD 259 3.4 1.0–5.8 57 0.3 0.0–0.8
  Combat-Related PTSD 259 3.3 0.9–5.7 57 0.3 0.0–0.8
Lifetime D-PTSD (DSM-III-R) All-Cause PTSD 259 10.8 6.3–15.2 57 3.8 0.0–10.8
  Combat-Related PTSD 259 10.1 5.8–14.5 57 0.3 0.0–10.8
  1. 1. Confidence Intervals that were less than 0 were truncated to 0.