. Author manuscript; available in PMC: 2017 Sep 1.

Published in final edited form as: Surgery. 2016 Jul 6;160(3):691–698. doi: 10.1016/j.surg.2016.05.021

Table 4.

Cox proportional hazards model identifying factors associated with development of biliary-enteric anastomotic stricture following biliary-enteric anastomosis

	Risk of Stricture
	Hazard Ratio (95% CI)
Age	0.98 (0.96–0.99)
Gender (Ref:Female)	1.12 (0.92–1.37)
Race (Ref: African American)
White	0.93 (0.60–1.45)
Other	0.95 (0.52–1.75)
Charlson Comorbidity Index (Ref: ≥3)
0	1.25 (0.80–1.70)
1	1.26 (0.96–1.67)
2	1.12 (0.88–1.44)
Surgery Type (Ref: Choledochojejunostomy)
Hepaticojejunostomy	1.13 (0.88–1.44)
Diagnosis at Surgery (Ref: Malignant)
Benign	1.13 (0.91–1.40)
Preoperative Procedure (Ref: None)
Percutaneous transhepatic cholangiography (PTC)	1.21 (0.66–2.23)
Biliary stent	1.66 (1.35–2.04)