Table 2.
Results for Men: WTCD, Pain and Trauma Studies using Different Prediction Models*
| Study and Prediction Model Used | Cut-off Score | % Specificity | % Sensitivity | PV+ | PV− | AUC | AUC 95% CI | P-value |
|---|---|---|---|---|---|---|---|---|
| PTSD Screen only | ||||||||
| WTCD (N = 1016) | ||||||||
| PCPS | 100 | 84.1 | 89.8 | 25.8 | 99.3 | 0.870 | 0.829–0.910 | -- |
| Pain and Trauma Studies (N = 356) | ||||||||
| PCPS | 100 | 91.6 | 95.5 | 42.9 | 99.7 | 0.935 | 0.882–0.989 | -- |
| PTSD Screen + Risk Factors | ||||||||
| WTCD (N = 1016) | ||||||||
| PCPS + Risk Factors | 184 | 87.7 | 91.5 | 31.4 | 99.4 | 0.947 | 0.930–0.965 | <0.0001 |
| Pain and Trauma Studies (N = 356) | ||||||||
| PCPS + Risk Factors | 184 | 93.4 | 95.5 | 48.9 | 99.7 | 0.964 | 0.936–0.993 | 0.0165 |
| PTSD Screen + Risk Factors + Demographics | ||||||||
| WTCD (N = 1016) | ||||||||
| PCPS + Risk Factors + Demos | 263 | 92.5 | 91.5 | 42.8 | 99.4 | 0.954 | 0.937–0.970 | 0.0890 |
| Pain and Trauma Studies (N = 356) | ||||||||
| PCPS + Risk Factors + Demos | 263 | 95.2 | 77.3 | 51.6 | 98.5 | 0.960 | 0.927–0.993 | 0.2137 |
*
AUC = Area under ROC curve; PV+ = Predictive value of positive test; PV− = Predictive value of negative test; PCPS = Primary care PTSD Scale; WTCD = World Trade Center Disaster; Demos = Demographics.