Table 2 Trostad 2001. Odds ratio of recurrent pre-eclampsia with inter-pregnancy intervals of less than 1 or 5 years or more compared to 1–5 years. Results were adjusted by maternal age in 2nd pregnancy, new father, delivery year
From: Inter-pregnancy interval and risk of recurrent pre-eclampsia: systematic review and meta-analysis
Interval | OR | Low | High | Sub-group | OR | Low | High | Sub-group | OR | Low | High |
|---|---|---|---|---|---|---|---|---|---|---|---|
≤1 year | 1.24 | 0.83 | 1.85 | Same father | 1.18 | 0.76 | 1.85 | New father | - | - | - |
1–5 years | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. | ||
6–10 years | 1.04 | 0.93 | 1.16 | 1.06 | 0.93 | 1.21 | 1.02 | 0.65 | 1.61 | ||
11–15 years | 0.85 | 0.61 | 1.19 | 0.52 | 0.27 | 1.01 | 0.63 | 0.29 | 1.4 | ||
>15 years | 0.78 | 0.48 | 1.27 | 0.73 | 0.28 | 1.91 | 0.52 | 0.19 | 1.41 |