From: Amniotic fluid embolism incidence, risk factors and outcomes: a review and recommendations
Condition or procedure | Australia (NSW) | Canada | UK | US |
---|---|---|---|---|
Age ≥ 35 years | 1.1 (0.5-2.4) | * | aOR≠2.8 (0.5-14.2) | * |
Multipara | 1.1 (0.7-1.7) | * | aOR≠0.9 (0.2-4.2) | * |
Smoked during pregnancy | 1.4 (0.3-6.5) | * | * | Â |
Socioeconomic status | Disadvantaged (lowest quartile) 1.4 (0.4-4.5) | * | Routine, manual occupation or unemployed aOR≠1.2 (0.3-5.6) | Income $35,000+ aOR 0.3 (0.1-1.0) |
Race/ethnicity |  |  | Black or other ethnic minority group vs white aOR≠6.3 (1.1-34.9) |  |
Previous caesarean | 1.1 (0.1-9.7) | * | * | aOR 1.1 (0.3-3.9) |
Induction |  | OR 3.5 (1.5-8.4) | aOR≠1.9 (0.4-9.2) | aOR 0.7 (0.1-3.3) |
Medical induction of labour | 1.6 (0.5-5.1) | * | * | Â |
PG+Oxytocin | 2.2 (0.2-29) | * | * | * |
General anaesthesia | 1.6 (0.8-2.9) | Â | Â | Â |
Epidural anaesthesia | 2.2 (0.2-29) | Â | Â | Â |
Mode of delivery | Forceps/vacuum 0.4 (0.1-2.9) CS 1.8 (0.9-3.6) | * | Â | Forceps aOR 1.7 (0.2-14.7) Vacuum aOR 0.7 (0.1-5.0) CS aOR 0.8 (0.2-2.8) |