Association between diagnosis of polymyalgia rheumatica and all first vascular events, by follow-up period
| Follow-up period | No. | All vascular events, rate per 1000 person-years (95% CI) | Hazard ratio (95% CI) | ||
|---|---|---|---|---|---|
| PMR | No PMR | Unadjusted | Adjusted* | ||
| 6 mo | 168 | 47.6 (38.8–60.7) | 14.6 (11.9–17.9) | 3.3 (2.5–4.5) | 3.0 (2.2–4.2) |
| 1 yr | 326 | 45.5 (38.6–53.7) | 15.2 (13.2–17.6) | 3.0 (2.4–3.7) | 2.7 (2.1–3.4) |
| 2 yr | 522 | 41.2 (36.3–46.7) | 14.7 (13.2–16.4) | 2.8 (2.4–3.3) | 2.4 (2.0–2.8) |
| 5 yr | 1247 | 39.6 (36.3–43.1) | 14.1 (13.2–15.2) | 2.8 (2.5–3.1) | 2.4 (2.1–2.7) |
| 10 yr | 1892 | 37.5 (35.0–40.2) | 12.9 (12.2–13.8) | 2.9 (2.6–3.2) | 2.5 (2.3–2.8) |
| All follow-up periods | 2174 | 36.1 (33.8–38.5) | 12.2 (11.6–12.9) | 2.9 (2.6–3.2) | 2.6 (2.4–2.9) |
Note: CI = confidence interval, PMR = polymyalgia rheumatica.
↵* Adjusted for age, sex, ever having smoked, and record of hypertension, hyperlipidemia, diabetes or giant cell arteritis.