Multivariate analysis on the association between pre-eclampsia and postpartum haemorrhage and subgroup of women with non-induced spontaneous delivery.

Adjusted for pre-eclampsia, maternal age, parity, ethnicity, socioeconomic status, multiple pregnancy and gestational age.
% CI; 1.68 to 2.44). Subgroup non-induced emergency caesarean section OR 1.55 (95% CI; 1.16 to 2.06). Subgroup induced spontaneous delivery OR 1.46 (95% CI; 1.36 to 1.58). Subgroup induced assisted delivery OR 1.61 (95% CI; 1.41 to 1.84). Subgroup induced emergency caesarean section OR 1.40 (95% CI; 1.17 to 1.68). Subgroup elective caesarean section OR 0.98 (95% CI; 0.86 to 1.12). Adjusted risk of pre-eclampsia for postpartum haemorrhage in other subgroups: Subgroup non-induced assisted delivery OR 2.02 (95