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Table 3 Prevalence of all birth defects of interest by maternal and newborn demographic characteristics

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

Demographics Frequency
n (%)
Number with Birth defect Birth defects prevalence per 10,000 births (95% CI)
Maternal agea
 < 20 years 7366 (10.9) 40 54.3 (39.9–73.9)
 20–29 years 42,761 (63.3) 206 48.2 (42.0–55.2)
 30–39 years 16,550 (24.5) 99 59.8 (49.2–72.8)
 > 40 years 866 (1.3) 11 127.0 (71.1–226.0)
Paritya
 0 21,034 (31.1) 112 53.2 (44.3–64.0)
 1–3 37,166 (55.0) 189 50.9 (44.1–58.6)
 > 3 9343 (13.8) 55 58.9 (45.3–76.5)
Maternal HIV sero-statusa
 Positive 6494 (9.6) 27 41.6 (28.6–60.4)
 Negative 60,907 (90.2) 326 53.5 (48–59.6)
 Unknown 142 (0.2) 3 211.3 (72.1–602.7)
Newborn sexb, c
 Male 36,352 (52.1) 248 68.2 (60.3–77.2)
 Female 33,401 (47.9) 112 33.5 (27.9–40.3)
Birth outcomeb
 Live 66,793 (95.7) 320 47.9 (42.9–53.4)
 Still 2511 (3.6) 39 155.3 (113.8–211.6)
 Spontaneous abortion 462 (0.7) 5 108.2 (46.3–250.8)
Type of pregnancyb
 Singleton 64,988 (93.2) 339 52.2 (46.9–58.0)
 Multiple 4778 (6.8) 25 52.3 (35.5–77.1)
Mode of Deliveryb
 Vaginal 48,191 (69.1) 247 51.3 (45.3–58.0)
 Caesarean 21,575 (30.9) 117 54.2 (45.3–64.9)
  1. aNumber of mothers (N = 67,543)
  2. bNumber of newborns (N = 69,766)
  3. c13 Births had indeterminate sex