Diagnostic tests of the point-of-service questionnaire for rarely appropriate requests
| Sensitivity estimate (lower–upper) | Specificity estimate (lower–upper) | OR estimate (lower–upper) | Positive predictive value estimate (lower–upper) | Negative predictive value | Positive likelihood ratio estimate (lower–upper) | Negative likelihood ratio estimate (lower–upper) | |
|---|---|---|---|---|---|---|---|
| Prospective cohort | 0.84 (0.68 to 0.94) | 0.87 (0.83 to 0.90) | 33.96 (13.61 to 4.78) | 0.34 (0.24 to 0.44) | 0.98 (0.97 to 1.00) | 6.34 (4.83 to 8.34) | 0.19 (0.09 to 0.39) |
| External retrospective validation cohort | 0.80 (0.69 to 0.88) | 0.95 (0.84 to 0.97) | 83.3 (43.13 to 159.83) | 0.62 (0.51 to 0.72) | 0.98 (0.97 to 0.99) | 17.41 (12.46 to 24.32) | 0.21 (0.13 to 0.33) |