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) |
|---|---|---|---|
| CI, confidence interval. | |||
| Coronary events | 8 | 3.66 | 2.19 (0.94–4.31) |
| Cerebrovascular events | 7 | 4.86 | 1.44 (0.47–3.66) |