Skip to main content

Table 4 Sensitivity, specificity, predictive values and efficiency outcomes for the algorithm score

From: Validation of the PHQ-9 as a screening instrument for depression in diabetes patients in specialized outpatient clinics

  PHQ 0-27 PHQ > 10
Occurrence * N = 91
pos. algorithm N = 42 (21.3%) N = 42 (46.2%)
neg. algorithm N = 155 (78.7%) N = 49 (53.9%)
Sensitivity 58.3% 63.6%
Specificity 86.9% 63.8%
PV (pos. t.) 50.0% 50.0%
PV (neg. t.) 90.3% 75.5%
Efficiency 78.7% 53.9%
  1. *consists of all participants, N = 197
  2. (Abbreviations: pos. algorithm, positive algorithm; neg. algorithm, negative algorithm; PV, predictive value; neg. t, negative test results; pos. t., positive test results)
\