Fig 3. Hazard ratio for Parkinson disease according to fall in cohort II.

Hazard ratio for PD after first injurious fall in cohort II, estimated by a flexible parametric Royston—Parmar model adjusted for sex, year of birth, education level, and comorbid diagnoses (dementia, stroke, myocardial infarction, diabetes mellitus, depression, alcohol dependency or abuse, drug dependency or abuse). The gray areas represent the 95% confidence intervals.