Stratified analyses, showing the risk of postpartum urinary tract infection (UTI) within the first 30 days post partum for women without or with a previous CD, by intended or actual mode of delivery
| Variables | Women without previous CD | Women with previous CD | ||
| Mode of delivery | Prevalence of postpartum UTI, % (n) | Adjusted 1* aOR (95% CI) | Prevalence of postpartum UTI, % (n) | Adjusted 1* aOR (95% CI) |
| Intended mode of delivery† | ||||
| Intended VD | 3.4 (12 520) | Reference | 4.6 (1403) | Reference |
| Intended CD | 4.6 (1014) | 1.36 (1.26 to 1.46) | 4.7 (1017) | 1.08 (0.98 to 1.18) |
| Actual mode of delivery† | ||||
| Spontaneous VD† | 3.0 (8919) | Reference | 4.3 (688) | Reference |
| Operative VD† | 4.9 (1524) | 1.46 (1.37 to 1.55) | 6.7 (163) | 1.50 (1.24 to 1.81) |
| Planned CD prelabour† | 4.5 (863) | 1.49 (1.38 to 1.61) | 4.7 (935) | 1.14 (1.02 to 1.28) |
| Planned CD in labour† | 5.1 (151) | 1.72 (1.43 to 2.06) | 4.8 (82) | 1.13 (0.83 to 1.54) |
| Emergency CD prelabour† | 4.3 (433) | 1.40 (1.25 to 1.57) | 3.9 (183) | 1.04 (0.84 to 1.27) |
| Emergency CD in labour† | 5.5 (1644) | 1.60 (1.51 to 1.70) | 4.8 (369) | 1.06 (0.91 to 1.23) |
*Adjusted for age at delivery, smoking, body mass index, educational level, gestational diabetes mellitus, infection during pregnancy, low birth weight, preterm birth, preterm prelabour rupture of membranes, pre-eclampsia and parity.
†See online supplementary appendix.
aOR, adjusted OR; CD, caesarean delivery; VD, vaginal delivery.