Table 4. Sensitivity, specificity and percentage of correctly classified subjects for ZSDS Cut-off scores.

	MDE+OPD			MDE+NEP
Cut Off Score	Sensitivity	Specificity	Correctly Classified	Sensitivity	Specificity	Correctly Classified
≥40	97.10%	46.00%	72.90%	97.10%	77.10%	87.80%
≥41	97.10%	50.80%	75.20%	97.10%	80.30%	89.30%
≥42	97.10%	54.00%	76.70%	97.10%	82.00%	90.10%
≥43	94.30%	60.30%	78.20%	94.30%	85.30%	90.10%
≥44	94.30%	60.30%	78.20%	94.30%	88.50%	91.60%
≥45	91.40%	65.10%	79.00%	91.40%	91.80%	91.60%
≥46	88.60%	66.70%	78.20%	88.60%	93.40%	90.80%
≥47	85.70%	71.40%	78.90%	85.70%	93.40%	89.30%
≥48	72.90%	74.60%	73.70%	72.90%	95.10%	83.20%
≥49	68.60%	79.40%	73.70%	68.60%	95.10%	80.90%
≥50	61.40%	84.10%	72.20%	61.40%	96.70%	77.90%

MDE: Group with Major Depressive Episode; OPD: Group with Other Psychiatric Disorders; NEP: Group with no Psychiatric Disorders.