Table 2.

The psychometric properties of the EPDS and BDI-II scales

	Cut-off	Sensitivity (%)	Specificity (%)	Corrected classified	LR+	LR−	Youden’s index (%)
EPDS	>8	96	64	46.2	2.66	0.062	60
	>9	96	68	49.2	3	0.0058	64
	>10	96	76	55.6	4	0.0052	72
	>11	90	83	62.2	5.29	0.12	73
	>12	87	88	69.2	7.25	0.15	75
	>13	87	90	77.1	8.7	0.14	77
	>14	71	99	84.6	17.3	0.29	71
BDI-II	>18	96	63	46	2.59	0.063	59
	>19	96	73	51.7	3.5	0.05	69
	>20	90	76	53.8	3.75	0.13	66
	>21	90	77	54	3.9	0.12	67
	>22	80	80	55.6	4	0.25	60
	>23	74	82	56.1	4.1	0.31	56
	>24	67	84	56.8	4.18	0.39	51

BDI-II, Beck Depression Inventory-II; EPDS, Edinburgh Postnatal Depression Scale; LR, Likelihood ratio.