PHQ-9
Patient Health Questionnaire-9
Domain
Mood
Items
9
Rater
Self-report
Cutoffs
| Band | Score |
|---|---|
| Mild | 5 |
| Mod | 10 |
| Mod-sev | 15 |
| Severe | 20 |
Diagnostic performance
Sensitivity
0.88
Specificity
0.85
AUC / note
0.90 (cutoff ≥10)
Clinical notes
Workhorse depression screen; ≥10 is the standard MDD threshold. Item 9 = passive suicide screen.
Cutoffs and performance figures are pooled or landmark estimates and vary by population and comparator. Use only with appropriate clinical training. Not a diagnostic algorithm.