Table 3.
ROC AUC values to discriminate moderate or higher 10 year probability of fracture in patients aged 40 years or older
| Variable | Number | Hip BMD |
Lumbar spine BMD (L2–L3) |
TBS (L2–L3) | |||
|---|---|---|---|---|---|---|---|
| Total | Femoral neck | Anteroposterior | Lateral | ||||
| Ten-year probability of fracture by FRAX without BMD | 173 | ||||||
| FRAX-MOF ≥ 20% | 2 | NA | NA | NA | NA | NA | |
| FRAX-MOF ≥ 10% | 11 | 0.76 | 0.73 | 0.61 | 0.72 | 0.73 | |
| FRAX-HF ≥ 3% | 10 | 0.73 | 0.75 | 0.61 | 0.73 | 0.64 | |
| FRAX-HF ≥ 1% | 54 | 0.66 | 0.68 | 0.56 | 0.62 | 0.53 | |
ROC, receiver operating characteristics; AUC, area under the curve; BMD, bone mineral density; FRAX, Fracture Risk Assessment Tool; MOF, major osteoporotic fracture; NA, not applicable; HF, hip fracture.