From: The timing of oesophageal dilatations in anastomotic stenosis after one-stage anastomosis for congenital oesophageal atresia
Early dilatation group
Normal dilatation group
t
P
With anastomotic fistula
2.58 ± 2.02
6.38 ± 2.06
4.857
0.001
Without anastomotic fistula
1.58 ± 0.52
2.23 ± 1.59
1.346
0.192