Table 6.
Diagnostic efficiency of the PC-PTSD detecting PCL diagnostic cutoff: ethnic/racial differences.
| Cutoff | Sensitivity | Specificity | PPV | NPV | OE |
|---|---|---|---|---|---|
| White Subsample | |||||
| 1 | .806 | .444 | .180 | .938 | .492 |
| 2 | .742 | .639 | .237 | .942 | .653 |
| 3 | .548 | .751 | .250 | .917 | .725 |
| 4 | .419 | .863 | .317 | .908 | .805 |
| Black Subsample | |||||
| 1 | .667 | .530 | .093 | .957 | .539 |
| 2 | .500 | .687 | .103 | .950 | .674 |
| 3 | .500 | .771 | .136 | .955 | .753 |
| 4 | .333 | .892 | .182 | .949 | .854 |
| Other Subsample | |||||
| 1 | .600 | .448 | .123 | .897 | .466 |
| 2 | .400 | .621 | .120 | .889 | .595 |
| 3 | .333 | .750 | .147 | .897 | .702 |
| 4 | .200 | .879 | .176 | .895 | .802 |
Note: “Cutoff” indicates PC-PTSD item threshold; PPV = positive predictive value (PPV); NPV = negative predictive value; OE = optimal efficiency.