Operating characteristics of preliminary clinical criteria based on age, inflammation, and immobility for identifying patients at high risk of osteoporosis in rheumatoid arthritis*
| Test | Sensitivity | Specificity | +LR | −LR |
|---|---|---|---|---|
| *T and Z scores are standardised bone mineral density measurements. Diagnostic terms defined in glossary; LRs calculated from data in article. | ||||
| T score ≤−2.5 | 73% | 56% | 1.66 | 0.48 |
| T score ≤−1 | 59% | 66% | 1.74 | 0.62 |
| Z score ≤−1 | 58% | 54% | 1.26 | 0.78 |