Table 1. Mean and median prevalence of PTSD in exposed populations meeting DSM-5 Direct Experiencing criteria (N = 35 studies). 1 .
| DSM-5-Experiencing (N = 35 studies) | Intentional Injury or Trauma (N = 14 Studies) | Non-Intentional Injury or Trauma (N = 21 Studies) | ||||
| Months post-trauma | Median Prevalence | Mean Prevalence | Median Prevalence | Mean Prevalence | Median Prevalence | Mean Prevalence |
| % (range) | % (sd) | % (range) | % (sd) | % (range) | % (sd) | |
| 1 | 28.8 (3.1–87.5) | 25.4 (20.2) | 11.8 (3.1–87.5) | 23.6 (26.2) | 30.1 (16.7–35.1) | 28.0 (7.0) |
| 3 | 17.8 (1.6–44.8) | 18.8 (11.1) | 17.1 (1.7–44.8) | 18.9 (14.9) | 17.8 (8.0–39.2) | 18.8 (8.8) |
| 6 | 14.9 (0.6–40.3) | 16.1 (11.4) | 19.0 (0.6–40.3) | 18.3 (13.6) | 12.9 (3.1–33.3) | 14.4 (9.8) |
| 12 | 17.0 (0.6–43.8) | 17.7 (10.8) | 23.3 (2.6–43.8) | 23.1 (13.6) | 14.0 (2.2–28.6) | 14.8 (8.2) |
The DSM-5-Experiencing category was based on meeting proposed DSM-5 criteria for direct experience of a traumatic event. Assessment points in studies were grouped into categories of 1, 3, 6, or 12 months post-trauma based on closest match to the actual assessment time point.