Table 1. Obstetric causes of death in quality-of-care audits for health-care facilities with increasing and decreasing perinatal mortality, South Africa.

Cause	Perinatal mortality per 1000 births
	First year audit				Fifth year audit
	Facilities with decreasing mortality	Facilities with increasing mortality	P		Facilities with decreasing mortality	Facilities with increasing mortality	P
Spontaneous preterm labour	5.0	3.0	0.150		3.0	5.8	0.038
Unexplained intrauterine death	5.5	4.1	0.487		3.3	6.9	0.011
Intrapartum asphyxia	3.1	3.5	0.713		3.1	5.8	0.07
Hypertension	3.3	0.9	0.090		1.1	2.1	0.106
Infections	1.4	1.6	0.785		0.4	0.8	0.250
Intrauterine growth restriction	0.3	0.1	0.311		0.1	0.1	0.582
Antepartum haemorrhage	1.2	0.8	0.535		1.1	1.8	0.210
Maternal disease	1.2	0.1	0.076		0.4	0.8	0.474
Fetal abnormality	0.7	0.2	0.209		0.9	0.6	0.550