Table 2.

Cox proportional hazard regression for predictors of stent failure

variables	Hazard ratio*	p value
Age (<65 vs. >65)	0.94 (0.27–3.26)	0.92
Gender (M vs F)	0.81 (0.20–3.28)	0.77
Surgical procedure (PPPD vs Whipple)	1.09 (0.28–4.33)	0.89
Time Interval from surgery (≤24 days:>24 days)	0.76 (0.21–2.71)	0.67
Pancreatic fistula (Y vs N)	0.86 (0.20–3.29)	0.77
Postoperative radiation therapy (Y vs N)	1.23 (0.31–4.92)	0.78
Diameter of covered stent (6 mm vs 7 mm)	0.48 (0.11–1.98)	0.31
Anticoagulation (Y:N)	2.56 (0.51–12.81)	0.25
Local tumor recurrence (Y vs N)	5.70 (1.18–27.76)	0.03

* 95% confidence interval for each point estimate shown in parentheses