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. 2014 Dec 16;24(1):32–45. doi: 10.1002/mpr.1460

Table 5.

Properties of the PCL‐C for predicting 30‐day ICD‐10 post‐traumatic stress disorder

Sensitivity Specificity PPV NPV Overall efficiency
Cutoff Value 95% CI Value 95% CI Value 95% CI Value 95% CI Value 95% CI
28 0.79 0.65–0.92 0.78 0.75–0.80 0.11 0.08–0.13 0.99 0.98–1.00 0.78 0.75–0.80
29a 0.79 0.65–0.92 0.80 0.77–0.82 0.12 0.09–0.15 0.99 0.98–1.00 0.80 0.77–0.82
30 0.74 0.60–0.87 0.82 0.80–0.84 0.12 0.09–0.15 0.99 0.98–1.00 0.82 0.80–0.83
50 0.30 0.19–0.40 0.97 0.96–0.97 0.23 0.15–0.31 0.98 0.97–0.98 0.94 0.93–0.95
52 0.28 0.18–0.39 0.97 0.96–0.98 0.26 0.17–0.35 0.98 0.97–0.98 0.95 0.94–0.96
53b 0.25 0.15–0.35 0.97 0.97–0.98 0.26 0.16–0.36 0.97 0.97–0.98 0.95 0.94–0.96
54 0.21 0.12–0.30 0.98 0.97–0.98 0.24 0.14–0.34 0.97 0.96–0.98 0.95 0.94–0.96
a

Optimal screening cutoff.

b

Optimal epidemiological cutoff. PPV = positive predictive value; NPV = negative predictive value. The scores above and below the optimal screening and epidemiological cutoffs are also displayed (as well as the established cutoff of 50).