Test properties of the screening tool (score ≥9) for derivation and validation cohorts for women who had low bone mineral density*
| Sample | Sensitivity (95% CI) | Specificity (CI) | +LR | −LR |
|---|---|---|---|---|
| *LRs defined in glossary and calculated from data in article. | ||||
| Derivation | 90% (85 to 94) | 45% (41 to 49) | 1.6 | 0.22 |
| Validation | 93% (86 to 97) | 46% (41 to 52) | 1.7 | 0.14 |