Short- and long-term efficacy of endoscopic balloon dilation in Crohn’s disease strictures

Table 3 Analyses of the influence of the clinical variables on the occurrence of surgery

Variables	No surgery (n)	Surgery (n)	P value
Male sex	10	1	NS
Adult patients	21	2	NS
Naive strictures	10	2	NS
Moderate disease activity	12	2	NS
Strictures length > 4 cm	11	1	NS
Strictures diameters ≤ 5 mm	24	2	NS
Strictures with fistula	3	2	0.002
Strictures at the ileocecal level	3	2	0.002
Pharmacological therapy (azathioprine)	18	2	NS

NS: Not significant.