“…Other Fracture Risk Assessment Instruments | Across 9 fracture risk assessment instruments (the Women's Health Initiative algorithm, 63 OST, 65 Simple Calculated Osteoporosis Risk Estimation, 67 Fracture and Immobilization Score, 68 Fracture Risk Score, 70 Fracture Risk Calculator, 71 ORAI, 74 QFracture, 60 and Osteoporosis Index of Risk), 75 AUC estimates ranged from 0.53 to 0.82 for major osteoporotic fracture 8,36,46,47,66 and from 0.80 to 0.89 for hip fracture. 8,63,64,73 A tenth instrument, the Canadian Association of Radiologists and Osteoporosis Canada, did not provide AUC estimates 76 but reported a sensitivity for predicting fracture of 0.54 (95% CI, 0.52-0.56) among women and 0.31 (95% CI, 0.24-0.38) among men. 77 The reported specificities were 0.75 (95% CI, 0.74-0.75) for women and 0.86 (0.85-0.87) for men.…”