Table 4 Prevalence of selected birth defects in 1993–1994 and 2009–2010, ranking of increased prevalence
From: Increased prevalence of some birth defects in Korea, 2009–2010
Order | Birth Defects | Prevalence per 10,000 live births (95 % CI) | |
|---|---|---|---|
1993–1994 | 2009–2010 | ||
1 | Hypospadias and epispadias | 0.7 (0.5–0.8) | 9.9 (9.0–11.0) |
2 | Atrial septal defect | 9.7 (9.1–10.3) | 117.9 (114.6–121.3) |
3 | Undescended testis | 2.6 (2.3–2.9) | 29.1 (27.5–30.8) |
4 | Cystic kidney | 0.7 (0.5–0.8) | 6.9 (6.2–7.8) |
5 | Congenital hip dislocation | 10.2 (9.6–10.8) | 61.3 (58.9–63.8) |
6 | Microcephaly | 0.5 (0.4–0.7) | 3.0 (2.5–3.6) |
7 | Renal agenesis and renal dysplasia | 0.6 (0.5–0.8) | 3.7 (3.1–4.3) |
8 | Patent ductus arteriosus | 7.0 (6.6–7.5) | 40.1 (38.2–42.1) |
9 | Syndactyly | 2.7 (2.4–3.0) | 9.1 (8.1–10.0) |
10 | Spina bifida | 2.8 (2.5–3.1) | 7.7 (6.9–8.6) |
11 | Ventricular septal defect | 34.1 (33.1–35.2) | 62.9 (60.5–65.4) |
12 | Congenital hydrocephalus | 1.6 (1.4–1.8) | 2.8 (2.3–3.4) |
13 | Palate without cleft lip | 6.8 (6.3–7.3) | 10.0 (9.0–11.0) |
14 | Ebstein’s anomaly | 0.5 (0.4–0.6) | 0.6 (0.4–0.9) |
15 | Diaphragmatic hernia | 1.0 (0.8–1.2) | 1.3 (1.0–1.7) |
16 | Polydactyly | 13.1 (12.5–13.8) | 15.4 (14.2–16.6) |
17 | Anorectal atresia/stenosis | 5.3 (4.9–5.7) | 6.0 (5.2–6.8) |
18 | Hirschsprung’s disease | 7.4 (6.9–7.9) | 7.7 (6.9–8.6) |
19 | Oesophagus atresia with or without fistula | 1.6 (1.4–1.8) | 1.6 (1.3–2.1) |