A hospital-based birth defects surveillance system in Kampala, Uganda

Table 4 Prevalence of major external birth defects of interest

Birth defects category	Number Identified			Prevalence per 10,000 births (95%CI)^a
Birth defects category	Isolated	Multiple^c	Total	Prevalence per 10,000 births (95%CI)^a
Neural tube defects	32	40	72	10.3 (8.2–13.0)
Microcephaly	5	6	11	1.6 (0.9–2.8)
Microphthalmia and Anophthalmia	0	16	16	2.3 (1.4–3.7)
Microtia and Anotia	3	8	11	1.6 (0.9–2.8)
Cleft palate alone	2	12	14	2.0 (1.2–3.4)
Cleft lip with or without cleft palate	24	15	39	5.6 (4.1–7.6)
Imperforate anus	0	14	14	2.0 (1.2–3.4)
Hypospadias^b	64	21	85	23.4 (18.9–28.9)
Talipes equinovarus	56	42	98	14.0 (11.5–17.1)
Limb reduction defects	9	39	48	6.9 (5.2–9.1)
Omphalocele	21	16	37	5.3 (3.8–7.3)
Gastroschisis	14	3	17	2.4 (1.5–3.9)
Total	230	232	462	66.2 (60.5–72.5)

^aNumber of newborns (n = 69,766)
^bRepresents male hypospadias, the denominator was male births, n = 36,352
^cThese were part of multiple defects in a newborn, sequences and known syndromes do not contribute to this number

ISSN: 1471-2393