Number of active repeat medicationsa | Parkinson’s N (prevalence %) N = 2640 | No Parkinson’s N (prevalence %) N = 507,862 | Odds ratio (95% CI) Directly standardised for age, sex, and number of physical conditionsb |
---|---|---|---|
None | 191 (7.2) | 148,615 (29.3) | 0.38 (0.32 to 0.45) |
One | 122 (4.6) | 56,729 (11.2) | 0.61 (0.51 to 0.73) |
Two | 167 (6.3) | 53,903 (10.6) | 0.71 (0.60 to 0.83) |
Three | 230 (8.7) | 48,760 (9.6) | 0.91 (0.80 to 1.05) p = 0.23 |
Four | 252 (9.6) | 44,000 (8.7) | 0.95 (0.83 to 1.08) p = 0.46 |
Five to nine | 1172 (44.5) | 124,619 (24.5) | 1.40 (1.28 to 1.53) |
Ten or more | 506 (19.2) | 31,236 (6.2) | 1.90 (1.68 to 2.15) |