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Table 4 Prevalence of selected birth defects (per 10,000 live births) in Vietnam in comparison to the prevalences reported by full member EUROCAT registries, Belgium and Taiwan

From: External birth defects in southern Vietnam: a population-based study at the grassroots level of health care in Binh Thuan province

Congenital anomalies subgroups

Vietnam

Full member EUROCAT+

Belgium+

Taiwan*

Nervous system

    

  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

    

  Choanal atresia

0.72

0.79

0.95

0.21

Orofacial clefts

    

  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

    

  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

    

  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

  1. + EUROCAT http://www.eurocat-network.eu/accessprevalencedata/prevalencetables. Date access 03/11/2013; * Data from reference 13; nr: none reported.