Osteoporosis, bone & mineral

Previous fracture and subsequent fracture risk: a meta-analysis to update FRAX

Osteoporos IntPublished Meta-analysis of prospective cohorts

Pooled result · Any clinical fractureResult — go to the resultHazard ratio 1.88 95% CI 1.72–2.07

Authors' conclusion

A previous history of fracture confers an increased risk of fracture of substantial importance beyond that explained by BMD. The effect is similar in men and women.

Study context

Population
665,971 men and 1,438,535 women from 64 cohorts in 32 countries; 19.5 million person-years64 cohorts · 32 countries
Comparison
Previous fracture history vs no prior fracture
Outcome
Risk of any clinical fracture (also osteoporotic, major osteoporotic and hip fracture) associated with prior fracture
Methodological detailsinternational, primary data from 64 cohorts, extended Poisson model in each cohort, results merged using weighted β-coefficients
  • International
  • Primary data from 64 cohorts
  • Extended Poisson model in each cohort
  • Results merged using weighted β-coefficients

Pooled result

Any clinical fracture

Hazard ratio

1.88

95% CI 1.72–2.07

Prior fracturevs No prior fracture
HR 1.88 (95% CI 1.72–2.07)

As reported in the abstract

Further pooled results

OutcomeHR (95% CI)
Osteoporotic fracture1.87 (1.69–2.07)
Major osteoporotic fracture1.83 (1.63–2.06)
Hip fracture1.82 (1.62–2.06)

Risk ratio, men vs women

No significant difference in risk ratio between men and women

Proportion of risk explained by low BMD

Any clinical fracture
14%
Osteoporotic fracture
17%
Hip fracture
33%
  • Subsequent fracture risk marginally downward adjusted when BMD taken into account

Adjustment for age and time since baseline

Risk ratio for all fracture outcomes decreased significantly with adjustment for age and time since baseline

Original publication

Previous fracture and subsequent fracture risk: a meta-analysis to update FRAX. Osteoporos Int. Published 11 August 2023. doi:10.1007/s00198-023-06870-z

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