Discriminant analysis of the compliance questionnaire rheumatology in detecting poor drug taking compliance and dosing in rheumatic diseases*
| Outcomes | Sensitivity (95% CI) | Specificity (CI) | +LR (CI) |
|---|---|---|---|
| *Diagnostic terms defined in glossary. | |||
| Drug taking compliance ⩽80% | 62% (57 to 67) | 95% (92 to 97) | 11.6 (6.7 to 20) |
| Drug taking compliance ⩽50% | 63% (57 to 68) | 97% (96 to 99) | 24.1 (7.9 to 73) |
| Correct dosing ⩽80% | 89% (85 to 92) | 70% (65 to 75) | 2.9 (1.5 to 5.9) |
| Correct dosing ⩽50% | 62% (57 to 67) | 94% (91 to 96) | 9.9 (7.0 to 14) |