Table 2. Characteristics of women with prior caesarean section, with or without uterine rupture.

Characteristics	Prior CS and no uterine rupture n = 37,196		Prior CS and uterine rupture n = 170
	n	%	n	%
Maternal age, years
<20	1,033	2.8	5	2.9
20–35	29,127	78.3	133	78.2
>35	6,960	18.7	29	17.1
Missing	76	0.2	3	1.8
Marital status
Single	2,649	7.1	11	6.5
Married	34,266	92.1	155	91.2
Missing	281	0.8	4	2.3
Education, years
≤6	5,481	14.7	54	31.8
7–9	7,034	18.9	28	16.5
10–12	11,750	31.6	31	18.2
>12	10,348	27.8	32	18.8
Missing	2,596	7.0	25	14.7
Number of previous CS
1	28,637	77.0	126	74.1
2	6,972	18.7	35	20.6
≥3	1,587	4.3	9	5.3
Gestational age, weeks
<37	3,077	8.3	48	28.2
37–41	33,632	90.4	118	69.4
≥42	399	1.1	2	1.4
Missing	88	0.2	2	1.4
Birth weight, grams
<2500	3,794	10.2	44	25.9
2500–3999	31,615	85.0	117	68.8
≥4000	1,739	4.7	6	3.5
Missing	48	0.1	3	1.8
Fetal presentation
Cephalic	34,762	93.5	150	88.2
Non-cephalic	2,434	6.6	20	11.8
Onset of labour
Spontaneous	18,944	51.0	114	67.1
Induced	2,129	5.7	11	6.5
Pre-labour	16,007	43.0	45	26.4
Missing	116	0.3	0	0.0
Final mode of delivery
Vaginal	6,877	18.5	5	2.9
Caesarean section	30,319	81.4	127	74.7
Laparotomy caused by uterine rupture	0	0.0	38	22.4
Facility capacity
High	8,981	24.1	37	21.8
Medium	16,286	43.8	59	34.7
Low	6,888	18.5	50	29.4
Missing	5,041	13.6	24	14.1
Country HDI
Very high & high	15,940	42.9	28	16.5
Medium	11,241	30.2	39	22.9
Low	10,026	26.9	103	60.6

CS, caesarean section; HDI, Human Development Index.