Table 2.

Risk factors for maternal death and perinatal death, unadjusted and adjusted for possible confounding factors^*

	Maternal death			Perinatal death†
	Unadjusted odds ratio (95% Cl)	Adjusted odds ratio (95% Cl)	P value	Unadjusted odds ratio (95% Cl)	Adjusted odds ratio (95% Cl)	P value
District v central hospitals	2.1 (1.2 to 3.7)	1.1 (0.6 to 2.2)	0.8	2.1 (1.8 to 2.5)	1.4 (1.1 to 1.8)	0.007
Ruptured uterus v other presentations	18.1 (11.5 to 28.3)	2.3 (1.3 to 4.0)	0.006	68.0 (49 to 93)	31.4 (22 to 45)	<0.001
Clinical officer surgeons v medically qualified surgeons	1.8 (1.0 to 3.1)	1.4 (0.7 to 2.9)	0.4	1.7 (1.4 to 2.0)	1.1 (0.8 to 1.3)	0.6
Untrained v trained anaesthetists	2.7 (1.6 to 4.6)	2.9 (1.6 to 5.1)	<0.001	1.1 (0.8 to 1.4)	1.0 (1.5 to 2.1)	0.96
General v spinal anaesthesia	13.1 (4.7 to 35)	6.6 (2.3 to 18.7)	<0.001	3.9 (3.2 to 4.7)	1.8 (1.5 to 2.3)	<0.001

^*Rural setting, previous caesarean section, haemorrhage, other preoperative medical complication, and level of training of surgeon and anaesthetist.

^†Includes stillbirth and death up to 72 hours after delivery.