Perforating and nonperforating indications in repeated surgeries for Crohn’s disease

Table 2 Univariate and multivariate analysis of risk factors associated with postoperative recurrence after first surgery

Covariates	Univariate			Multivariate
	HR	95%CI	P value	HR	95%CI	P value
Age at diagnosis	1.000	0.987-1.014	0.966
Preoperative duration	1.003	1.000-1.006	0.021	1.002	0.999-1.005	0.112
Age	1.005	0.992-1.018	0.496	1.004	0.991-1.018	0.533
Sex	0.934	0.628-1.387	0.734
Appendectomy	1.288	0.874-1.898	0.200
Smoking history	1.026	0.676-1.558	0.903	1.048	0.670-1.639	0.838
Preoperative treatment	0.915	0.630-1.330	0.642
Perianal disease	0.925	0.606-1.413	0.719	0.951	0.619-1.461	0.819
Location	1.027	0.864-1.222	0.761	1.040	0.871-1.241	0.665
Perforating indication	1.456	1.051-2.016	0.024	1.425	1.015-2.000	0.041
Resection range	0.949	0.799-1.128	0.553
IASCs	0.666	0.381-1.164	0.154

IASCs: Intra-abdominal septic complications.