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Diagnostic efficiency of PC-PTSD items in detecting PCL diagnostic cutoff: total sample.
| Item | Sensitivity | Specificity | PPV | NPV | OE |
|---|---|---|---|---|---|
| 1 | .623 | .640 | .184 | .929 | .638 |
| 2 | .585 | .588 | .157 | .915 | .587 |
| 3 | .585 | .674 | .191 | .925 | .664 |
| 4 | .642 | .597 | .173 | .927 | .602 |
Note: “Cutoff” indicates PC-PTSD item threshold; PPV = positive predictive value (PPV); NPV = negative predictive value; OE = optimal efficiency.
