Statistical Analyses The PHQ-2 score ranges from 0 to 6, and the PHQ-9 score ranges from 0 to 27. We estimated sensitivity and specificity for all possible PHQ-2 cutoffs (scores 1-6) by reference standard type separately: semistructured diagnostic interviews; fully structured diagnostic intervi...
We used the subtotal score of PHQ-9 items, sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and area under the receiver operating characteristic curve (AUC) for comparison with the clinical diagnosis of suicide ideation using 95% confidence intervals for ...
(SRQ-20) for the screening of common mental illnesses were administered. Validity and reliability analyses were performed. Results: In total, 19% of the participants had a PHQ-9 total score equal to or higher than the clinical cut-off of 10 for diagnosing depressive disorder. The internal ...
(Spearman’s correlation coefficients = 0.53–0.66,p< 0.001). The EPDS and PHQ-9 were moderately accurate in distinguishing disability (WHODAS score ≥ 10) from non-disability (WHODAS score < 10) in pregnant and postpartum participants, but the area under the curve of the PHQ-9 receiver ...