Table 2.

Sensitivity and specificity of PHQ-9 at different cut-off scores.

Cut-off score	Sensitivity	Specificity
≥5	0.91	0.81
≥6	0.88	0.84
≥7	0.84	0.89
≥8	0.82	0.92
≥9	0.79	0.96
≥10	0.75	0.97
≥11	0.68	0.97
≥12	0.67	0.99
≥13	0.58	0.99
≥14	0.57	0.99
≥15	0.55	0.99
≥16	0.50	0.99