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| Cases (73) | Controls (9,073) | Crude | Adjusted | |||||
|---|---|---|---|---|---|---|---|---|
| n | % | n | % | OR | 95% CI | OR adj.* | 95% CI | |
| Vaginal | 26 | 35.6 | 4,817 | 53.1 | - | - | - | - |
| Cesarean | 47 | 64.4 | 4,256 | 46.9 | 2.0 | (1.3–3.3) | 2.9 | (1.6–5.1) |
*Adjusted for region, type of hospital, age, schooling, parity, premature birth and previous caesarean delivery.
