Table 1 Demographic and clinical features of study population

Male, n (%)

57 (54%)

Mean gestational age, weeks ^a

36.9 ± 2.55

Mean neonatal weight, gr ^a

2579.6 ± 609

Mean age at enrollement, years

7.4 ± 4.8

Malformations, n (%)

55 (52%)

Cardiac anomalies

46 (44%)

Vascular anomalies

9 (9%)

Genitourinary anomalies

7 (7%)

Pulmonary anomalies

4 (4%)

Gastrointestinal anomalies

4 (4%)

Skeletal anomalies

2 (2%)

Syndromes, n (%)

20 (19%)

VACTERL association

17 (16%)

Down syndrome

1 (1%)

CHARGE syndrome

1 (1%)

Anophtalmia Esophageal Genital syndrome

1 (1%)

Types of fistula, n (%)

103 (98%)

C

90 (86%)

B

8 (8%)

A

4 (4%)

E

1 (1%)