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Table 2 Incidence rate ratios of cardiovascular disease
| RA patients (N = 8658) | OA patients (N = 32,202) | RA versus OA | ||||
|---|---|---|---|---|---|---|
| Events | PYs at risk | Events | PYs at risk | Crude IRR (95 % CI) | Adjusted IRRa (95 % CI) | |
| CVD (total) | 673 | 10,946 | 1633 | 43,304 | 1.63 (1.49–1.78) | 2.12 (1.93–2.32) |
| Ischemic heart disease | 260 | 11,280 | 586 | 44,091 | 1.73 (1.50–2.01) | 2.16 (1.86–2.50) |
| Myocardial infarction | 53 | 11,481 | 71 | 44,574 | 2.90 (2.03–4.14) | 3.62 (2.52–5.18) |
| Angina pectoris | 224 | 11,319 | 528 | 44,138 | 1.65 (1.41–1.93) | 2.05 (1.75–2.40) |
| Heart failure | 358 | 11,234 | 808 | 44,003 | 1.74 (1.53–1.97) | 2.34 (2.07–2.65) |
| Stroke | 177 | 11,396 | 513 | 44,286 | 1.34 (1.13–1.59) | 1.68 (1.41–2.00) |
| Cerebral infarction | 136 | 11,433 | 431 | 44,327 | 1.22 (1.01–1.48) | 1.56 (1.29–1.90) |
| Intracerebral hemorrhage | 32 | 11,506 | 77 | 44,599 | 1.61 (1.07–2.43) | 1.85 (1.22–2.81) |
| Subarachnoid hemorrhage | 15 | 11,517 | 15 | 44,626 | 3.87 (1.89–7.93) | 4.45 (2.13–9.26) |
