Congenital anomalies subgroups | Vietnam | Full member EUROCAT+ | Belgium+ | Taiwan* |
---|---|---|---|---|
Nervous system | Â | Â | Â | Â |
  Neural Tube Defects |  |  |  | |
   Anencephalus and similar | 3.58 | 3.50 | 3.16 | 1.07 |
   Encephalocele | 0.72 | 1.11 | 1.42 | 0.37 |
   Spinabifida | 0 | 4.74 | 4.89 | 0.58 |
  Hydrocephaly | 1.43 | 5.31 | 5.52 | 3.55 |
  Microcephaly | 2.15 | 2.37 | 1.74 | 0.58 |
  Arhinencephaly/  holoprosencephaly | 0 | 0.85 | 1.26 | nr |
Ear | ||||
  Anotia | 0.72 | 0.34 | 0.47 | nr |
  Microtia | 2.15 | nr | nr | nr |
Respiratory | Â | Â | Â | Â |
  Choanal atresia | 0.72 | 0.79 | 0.95 | 0.21 |
Orofacial clefts | Â | Â | Â | Â |
  Cleft lip with or without palate | 14.33 | 8.63 | 12.00 | 12.80 |
  Cleft palate | 5.37 | 5.59 | 3.59 | 4.67 |
Abdominal wall defects | Â | Â | Â | Â |
  Gastroschisis | 1.43 | 2.82 | 1.89 | 1.20 |
External genital system | ||||
  Hypospadias | 0.72 | 17.51 | 10.58 | 3.35 |
  Indeterminate sex | 1.43 | 0.59 | 0.63 | 0.99 |
Limb | Â | Â | Â | Â |
  Limb reduction | 4.30 | 5.05 | 5.05 | 3.22 |
  Club foot | 12.18 | 10.31 | 11.21 | 4.42 |
  Polydactyly | 6.45 | 8.69 | 6.79 | 7.97 |
  Syndactyly | 2.87 | 5.23 | 6.95 | 4.34 |
  Other limb defects | 1.43 | nr | nr | nr |