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
Refractory stenosis
5.75 ± 0.5
7.40 ± 1.35
2.33
0.038
Non-refractory stenosis
2.05 ± 0.97
2.13 ± 0.92
0.247
0.807