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Standardised cardiovascular event ratio in 350 patients with primary biliary cirrhosis, aged 25–74 years
| Cardiovascular event | Observed (n) | Expected (n) | Standardised ratio (95% CI) |
| Coronary events | 8 | 3.66 | 2.19 (0.94–4.31) |
| Cerebrovascular events | 7 | 4.86 | 1.44 (0.47–3.66) |
CI, confidence interval.
