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Table 5 Ratio of Observed fractures/Expected fractures by FRAX tool

From: FRAX® tool, the WHO algorithm to predict osteoporotic fractures: the first analysis of its discriminative and predictive ability in the Spanish FRIDEX cohort

  MAJOR FRACTURES HIP FRACTURES
Obs Fx Exp Fx Ratio Fx Obs/Exp CI 95% Obs Fx Exp Fx Ratio Fx Obs/Exp CI 95%
FRAX without BMD 65 26.7 2.4 (1.9 - 3.1) 17 6.0 2.8 (1.7- 4.6)
FRAX with FN T-score 65 29.9 2.2 (1.7 - 2.8) 17 7.3 2.3 (1.4 - 3.8)
  1. MAJOR FRACTURES (hip, vertebra, humerus, wrist). Fx: Fracture.
  2. ObsFx: Observed fractures; ExpFx: Expected fractures; CI: Confidence Interval;
  3. BMD: Bone Mineral Density; FN: Femoral Neck.