Impact of efforts to prevent maternal deaths due to obstetric hemorrhage on trends in epidemiology and management of severe postpartum hemorrhage in Japan: a nationwide retrospective study

Table 3 Hysterectomy and maternal mortality of patients with severe postpartum hemorrhage

	2013–2015	2016–2018	p value^b
Patient with severe PPH, n	12,716	14,877	-
Total maternal deaths^a, n	133	128	-
Hysterectomy, n (% of patients with severe PPH)	969 (7.6)	947 (6.4)	< .0001
Maternal mortality due to severe PPH, n	28	18	-
Case, per 100,000 deliveries	0.92	0.63	-
Case, % of total maternal deaths^a	21.1	14.1	.1384
Case in non-DPC facilities, n	27	16	-

PPH Postpartum hemorrhage
^aThe total number of maternal deaths was obtained from the registry data of the Japan Maternal Death Exploratory Committee [10]
^bComparisons were made by chi-square test

ISSN: 1471-2393