Unadjusted odds ratio (95% CI) P value Adjusted odds ratio (95% CI) P value
General anesthesia* 1.31 (0.43–4.04) 0.64 1.00 (0.30–3.29) 0.99
Cardiac events during pregnancy 5.47 (2.11–14.12) <0.001 5.34 (2.05–13.9) 0.001
Emergency caesarean section 1.41 (0.58–3.44) 0.45 1.23 (0.48–3.14) 0.66