RR and AR of second malignancy by staging in the 961 patients with more than 10 years of potential follow-up
| Staging laparotomy . | Person-years . | O . | E . | RR . | (95% CI) . | AR . |
|---|---|---|---|---|---|---|
| No | 1 480 | 18 | 6.4 | 2.8 | (1.7, 4.5) | 78.6 |
| Yes | 12 868 | 144 | 29.2 | 4.9 | (4.2, 5.8) | 89.2 |
| Staging laparotomy . | Person-years . | O . | E . | RR . | (95% CI) . | AR . |
|---|---|---|---|---|---|---|
| No | 1 480 | 18 | 6.4 | 2.8 | (1.7, 4.5) | 78.6 |
| Yes | 12 868 | 144 | 29.2 | 4.9 | (4.2, 5.8) | 89.2 |
O indicates observed; E, expected; CI, confidence interval; AR, absolute excess risk.