Characterises of sample, by PMR exposure status
| Characteristic | PMR (n=2877) | No PMR (n=9942) |
|---|---|---|
| Age at index date, mean (SD), years | 72.0 (8.9) | 71.5 (9.1) |
| Female, n (%) | 2091 (72.7) | 7238 (72.8) |
| Ever smoker, n (%)* | 1178 (44.1) | 3531 (41.7) |
| Follow-up time at risk, median (IQR), years | 8.4 (3.9, 12.3) | 7.6 (3.3, 12.3) |
*Contains missing data (10.3%) where smoking status was not recorded in the General Practice Research Database.
PMR, polymyalgia rheumatica.