Table 5

Pooled estimates of diagnostic properties of the Patient Health Questionnaire-9 at cut-off point 10 and using algorithm scoring method in the non-independent vs independent studies groups

SettingsNo. of studiesNo. of patientsSensitivity (95% CI)Specificity (95% CI)Pooled positive likelihood ratio (95% CI)Pooled negative likelihood ratio (95% CI)Diagnostic OR (95% CI)Heterogeneity: I²
Manea et al, 2014 SR–RA group740650.77 (0.70 to 0.84)0.94 (0.90 to 0.97)14.97 (8.39 to 26.71)0.23 (0.17 to 0.31)64.40 (34.15 to 121.43)78.9%
Manea et al, 2014 SR
Independent studies
2199000.48 (0.41 to 0.91)0.94 (0.91 to 0.95)8.26 (6.15 to 11.09)0.54 (0.48 to 0.62)15.05 (11.03 to 20.52)68.1%
Moriarty et al, 2015 SR–RA group561880.87 (0.77 to 0.93)0.87 (0.76 to 0.94)7.24 (3.74 to 14.03)0.14 (0.08 to 0.25)49.31 (25.74 to 94.48)55.1%
Moriarty et al, 2015 SR Independent studies2613 1640.76 (0.67 to 0.83)0.88 (0.85 to 0.91)6.72 (5.06 to 8.92)0.26 (0.19 to 0.37)24.96 (14.81 to 42.08)81.5%
  • SR, Systematic review; RA,researcher allegiance.