Identifying patients with medically unexplained physical symptoms in electronic medical records in primary care: a validation study

Table 3 Comparing the EMR screening method with the PHQ-15 cut-off scores

	PHQ-15 ≥ 5 (95% confidence interval)	PHQ-15 ≥ 10 (95% confidence interval)
Sensitivity	0.17 (0.14 - 0.20)	0.30 (0.24 – 0.38)
Specificity	0.95 (0.93 - 0.97)	0.93 (0.91 – 0.95)
Positive predictive value	0.78 (0.71 – 0.85)	0.40 (0.32 – 0.49)
Negative predictive value	0.54 (0.51 – 0.57)	0.89 (0.87 – 0.91)
Likelihood ratio positive test	3.54 (2.38 – 5.27)	4.29 (2.96 – 5.51)
Likelihood ratio negative test	0.87 (0.84 – 0.91)	0.75 (0.69 – 0.83)

ISSN: 2731-4553