Osteoporosis & bone health

Fracture incidence and osteoporosis treatment in Parkinson’s disease: a population-based cohort study

Osteoporos IntPublished Population-based cohort study

Authors' conclusion

Despite elevated fracture risk, fewer than one in five individuals with PD received osteoporosis screening or treatment within a year of diagnosis.

Study context

Population
Individuals over 65 years with newly diagnosed Parkinson's disease, Ontario, Canada, January 2008–December 202339.9% female
Participants
28,119 participants
Outcome
Fracture rates, osteoporosis medication use and BMD testing
Follow-up
Within 1 year of diagnosis
Methodological detailsadministrative data, Cox proportional hazard models adjusted for age, sex, Charlson comorbidity score, previous osteoporosis diagnosis, history of fragility fracture and corticosteroid use
  • Administrative data
  • Cox proportional hazard models adjusted for age, sex, Charlson comorbidity score, previous osteoporosis diagnosis, history of fragility fracture and corticosteroid use

Main finding

As reported in the abstract

Outcomes within 1 year of Parkinson's disease (PD) diagnosis

Fragility fracture

3.1%

Fragility fracture rate (per 100 person-years)

3.4

Prescription for osteoporosis medication

17.6%

Bone mineral density (BMD) test

9.8%

Observational data: associations, not effects.

Further findings

Outcomes by sex · 1 year

Rates for all outcomes greater among females than males

Fracture rate predictors (adjusted analysis)

Higher fracture rates in females, those aged ≥ 80 years, with prior fragility fractures, and higher comorbidity scores

Original publication

Fracture incidence and osteoporosis treatment in Parkinson’s disease: a population-based cohort study. Osteoporos Int. Published 10 December 2025. doi:10.1007/s00198-025-07802-9

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