Table 5.

Logistic regression analysis of the anastomotic leakage with fail-safe and standard approaches and control variables (n = 696)

Variable	Coeff	S.E	Wald	Sig
Surgery type
Fail-safe	− 1.299***	0.330	15.468	0.000
Standard	− 0.244	0.444	0.302	0.583
Control variables
Old age	− 0.029	0.015	3.766	0.052
Days in hospital	0.055***	0.010	32.335	0.000
90-day survival	− 1.149**	0.560	4.210	0.040
Surgical site infection	− 1.244***	.137	82.873	0.000
Re-operation	− 4.232***	.608	48.508	0.000
Constant	2.009***	.227	78.278	0.000

**p < 0.05

***p < 0.01