Table 1. UKOSS studies from which data were included.

Sl. No.	Study	Cases/controls	Number of cases
1	Eclampsia	Cases and controls	214
2	Peripartum hysterectomy	Cases and controls	322
3	Acute Fatty Liver of Pregnancy/AFLP	Cases onlyf	51
4	Antenatal Pulmonary Embolism	Cases and controls	142
5	Obesity	Controls only	-
6	Stroke in Pregnancy	Cases and controls	37
7	Uterine Rupture	Cases only†	159
8	Placenta Accreta	Cases and controls	137
9	HELLP syndrome	Cases and controls	205
10	Severe Sepsis	Cases and controls	367
11	Amniotic Fluid Embolism/AFE	Cases onlyf	119

^fControls were not available;

^†Controls were selected differently.