Prevalence, types, and malformations in congenital anomalies of the kidney and urinary tract in newborns: a retrospective hospital-based study

Table 2 Maternal characteristics and birth outcomes in CAKUTs

Variable	Total births	Number of cases of CAKUTs	Prevalence per 1000 births	OR 95% CI
Infant gender
Male	917,758	1583	1.72	1.28 (1.18–1.38)*
Female	818,510	1096	1.34	Ref
Maternal age
< 20	48,776	52	1.06	0.65 (0.50–0.86)**
20-	396,705	574	1.45	0.89 (0.80–0.99)***
25-	761,274	1243	1.63	Ref
30-	374,560	650	1.74	1.06 (0.97–1.17)
≥ 35	166,708	271	1.63	1.00 (0.87–1.14)
Multiple births	31,121	75	2.41	1.53 (1.21–1.92)*
Single birth	1,716,902	2715	1.58	Ref
Region
Urban	875,763	1562	1.78	1.27 (1.18–1.37)*
Rural	872,275	1228	1.41	Ref

Abbreviations: CAKUTs congenital anomalies of the kidney and urinary tract, OR odds ratio, CI confidence interval *P<0.001 **P=0.002 ***P=0.016

ISSN: 1824-7288