Table 7 Univariate and multivariate analysis of stent obstruction
Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|
Hazard ratio | 95% confidence interval | P value | Hazard ratio | 95% confidence interval | P value | |
Inside stent | 0.286 | 0.114-0.719 | 0.008 | 0.292 | 0.114-0.750 | 0.011 |
Preoperative chemotherapy (Yes) | 2.254 | 0.813-6.249 | 0.118 | 1.614 | 0.579-4.499 | 0.360 |
Initial endoscopic treatment with cholangitis | 2.267 | 0.741-6.934 | 0.151 | 2.530 | 0.807-7.934 | 0.111 |
Stent diameter 7Fr. | 1.106 | 0.372-3.289 | 0.8558 | |||