Table 1.

Patients' baseline characteristics in the present study (n = 230).

Characteristics	n (%) or median (range)
Sex; n (%)
Male	126 (54.8)
Female	104 (45.2)
Age at presentation (years); median (range)	0.6 (0–14.5)
Age at surgery (years); median (range)	4.3 (0.02–15)
<30 days; n (%)	5 (2.7)
31 days to 1 year; n (%)	53 (23.4)
≥1 year; n (%)	172 (73.9)
Definite genetic syndrome; n (%)	7 (3.0)
Down syndrome	6
VATER association	1