Vietnam Osteoporosis Workshop, HCMC 2006
Assessment of incident vertebral fracture
Semi-quantitative: has not been adequately studied
A new fracture: ≥ 15% reduction in any one of the three measured vertebral heights (Ha, Hm or Hp)
More stringent criteria: ≥ 20% change or a change > 3SD of the mean differences (on repeated X-ray) for that vertebral level.
The best definition: has not been established