PHQ-2

Patient Health Questionnaire-2

Domain
Mood
Items
2
Rater
Self-report

Cutoffs

BandScore
Positive≥3

Diagnostic performance

Sensitivity
0.83
Specificity
0.90
AUC / note
0.85

Clinical notes

Ultra-brief two-item screen; positive triggers PHQ-9.

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.