Table 4.

Multivariate analysis of associations between type of surgery and postoperative complications

Variable	OR	95% CI	p value
Surgical approach	1.79	0.16–44.56	0.65
Disease behaviour	3.59	0.33–39.71	0.28
Immunomodulators	Inf	0.00–NA	0.23
Disease duration	0.99	0.93–1.04	0.80

Disease behaviour is according to the Paris classification

CI confidence interval; OR odds ratio