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Table 3 Prevalence of selected birth defects in 1993–1994 and 2009–2010, ranking of decreased 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 Anencephaly 3.4 (3.1–3.8) 0.05 (0.03–0.3)
2 Pulmonary valve atresia/ stenosis 23.1 (22.2–24.0) 8.2 (7.4–9.2)
3 Tetralogy of fallot 7.3 (6.8–7.8) 4.1 (3.5–4.8)
4 Translocation of great vessels 2.9 (2.6–3.2) 1.8 (1.4–2.2)
5 Atresia of bile ducts 2.9 (2.6–3.2) 2.1 (1.7–2.6)
6 Encephalocele 0.9 (0.8–1.1) 0.7 (0.5–1.0)
7 Cleft lip with or without cleft palate 10.2 (9.6–10.8) 8.2 (7.3–9.1)