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Patient classification as likely posttraumatic stress disorder (PTSD), possible PTSD, and likely not PTSD, comparing the algorithm with chart review as the reference standard
| Chart review (reference standard) | |||||
|---|---|---|---|---|---|
| Likely PTSD | Possible PTSD | Likely not PTSD | Total | ||
| Algorithm | Likely PTSD | 117 | 8 | 0 | 125 |
| Possible PTSD | 80 | 57 | 61 | 198 | |
| Likely not PTSD | 1 | 19 | 142 | 162 | |
| Total | 198 | 84 | 203 | 485 | |
Note. Weighted kappa = 0.62 (95% confidence interval [0.57, 0.67]); 15 participants had insufficient information.
