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. 2017 Jan 18;17:28. doi: 10.1186/s12888-016-1154-5

Table 4.

Screening method attributes for mental health outcomes

Combined Phase-1 Procedurec Sensitivity Specificity PPV NPV Correctly classified AUC
Disorder: % % % % %
Current severe disorder 100.0 53.6 12.5 100.0 56.5 0.77
Current moderate or severe disorder 100.0 57.5 25.4 100.0 62.9 0.79
Current mental disorder 100.0 62.4 39.0 100.0 69.7 0.81
Current moderate or severe impairment 83.2 53.3 14.1 97.2 55.8 0.68
Psychosis outcome
VOLTACa 56.1 93.4 8.3 99.5 93.0 0.75
WASSS-Ha 100.0 67.9 3.2 100.0 68.3 0.84
Combined WASSSa 100.0 56.1 2.4 100.0 56.6 0.78
Combined method Ab 100.0 74.4 4.0 100.0 74.7 0.87
Combined phase-1 proceduresc 100.0 50.8 2.1 100.0 51.3 0.75

Considered screen-positive if positive by at least: a1 response; b2 responses, c1 response from VOLTAC, WASSS-H, WASSS-I or 6 SRQ

WASSS-I WHO-UNHCR assessment schedule of serious symptoms in humanitarian settings-household interview-individual interview portion

WASSS-H WHO-UNHCR assessment schedule of serious symptoms in humanitarian settings-household interview-household informant portion

SRQ-20: self reporting questionnaire - 20 question version

PPV positive predictive value, NPV negative predictive value, AUC area under receiver operating characteristic curve