Table 5. Detailed clinical information of mortality cases.

No.	Date of admission (yr, mon)	Age (yr)	GA at delivery (wk)	Mode of delivery	Place of delivery	Classification of maternal death	Primary cause of ICU admission	Underlying disease	Interventions	Postpartum time of death (day)
1	2000.10.	29	20.0	Abortion	Local hospital	Direct	Postpartum hemorrhage, pulmonary edema		Hysterectomy, mechanical ventilation	6
2	2004.06.	28	39.1	Cesarean section	Our institution	Indirect	Non-obstetric (others)a)	Pheochromocytoma	Mechanical ventilation	2
3	2007.03.	30	40.5	Vaginal delivery	Local hospital	Direct	Postpartum hemorrhage, DIC		Hysterectomy, mechanical ventilation	7
4	2008.11.	31	40.6	Vaginal delivery	Local hospital	Direct	Amniotic fluid embolism, DIC		Mechanical ventilation	1
5	2011.06.	30	39.5	Cesarean section	Our institution	Direct	Preeclampsia, HELLP, intracranial hemorrhage		Craniectomy, coma therapy	10
6	2011.07.	37	N/A	Cesarean section	Local hospital	Direct	Postpartum hemorrhage, DIC		Hysterectomy, ECMO	1
7	2012.08.	20	23.6	Vaginal delivery	Our institution	Indirect	Postpartum aggravation of dilated cardiomyopathy	Dilated cardiomyopathy	Not done	79
8	2013.07.	38	32.4	Cesarean section	Our institution	Indirect	Pulmonary thromboembolism, infective endocarditis	Ovarian cancer, deep vein thrombosis	Not done	28
9	2015.09.	35	36.6	Vaginal delivery	Local hospital	Direct	Amniotic fluid embolism, DIC		Hysterectomy, ECMO	1

GA, gestational age; ICU, intensive care unit; DIC, disseminated intravascular coagulation; N/A, not available; ECMO, extra-corporeal membrane oxygenation; HELLP, hemolysis, elevated liver enzymes, and low platelets.

^a)Post-adrenalectomy bleeding due to pheochromocytoma.