Impact of an intrapartum care quality improvement intervention in Brazilian private hospitals on care safety measures and adverse outcomes

Table 1 Sample characteristics according to model of care (PPA model vs standard care)

	PPA (n = 2570)		Standard care (n = 2227)		p-value*
	n	%	n	%	p-value*
Age
13–19 years	67	2.6	16	0.7	< 0.001
20–34 years	1753	68.2	1315	59.0
35–39 years	596	23.2	746	33.5
40+ years	154	6.0	151	6.8
Ethnicity/skin color
White	1733	67.4	1506	67.6
Black	136	5.3	93	4.2	0.241
Brown/yellow/indigenous	703	27.3	627	28.2
Nulliparous	2084	81.1	762	34.2	< 0.001
At least one previous vaginal birth	327	12.7	281	12.6	0.856
Previous c-section	182	7.1	1246	55.9	< 0.001
High-risk pregnancy	514	20.0	532	23.9	0.005
Twin pregnancy	18	0.7	65	2.9	< 0.001
Cephalic presentation at admission	2462	95.7	1981	88.9	< 0.001
Preterm at admission	199	7.7	331	14.8	< 0.001

ISSN: 1742-4755