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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Depress Anxiety. 2019 Jul 29;36(9):790–800. doi: 10.1002/da.22942

Figures 2a-2d. Decision curves for all unweighted stepwise 4-item short-form scales predicting PTSD outcomes in the total validation sample (n = 11,728).

Figures 2a-2d.

The items included on each 4-item scale were optimized in the training sample to predict dichotomous PTSD outcomes assigned based on full PCL-5 responses using four diagnostic thresholds (DSM-5 Criteria B-E, and total PCL-5 scores >= 28, >=32, and >=38). We then used each of these 4-item unweighted stepwise short-form scales to predict these same dichotomous PTSD outcomes in the validation sample, as shown in each panel of the figure (a-d).