Research Article
Metformin Use and Survival in Patients with Advanced Extrahepatic Cholangiocarcinoma: A Single-Center Cohort Study in Fuyang, China
Table 4
Comparison of survival time according to different characteristics grouping.
| | Group | | Survival time (d) | -value | value | | Median (IQR)/() |
| | Drainage treatment | | | | | | Study group | 113 | 121.0 (89.0,166.0) | -2.230 | 0.026 | | Control group | 496 | 116.0 (85.0,144.0) | | | | No special treatment | | | | | | Study group | 20 | | 0.391 | 0.697 | | Control group | 93 | | | | | Study group | | | | | | Town | 59 | | -4.034 | ≤0.001 | | Countryside | 74 | | | | | Control group | | | | | | Town | 291 | | -3.665 | ≤0.001 | | Countryside | 298 | | | |
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Endoscopic retrograde biliary drainage (ERBD) or percutaneous transhepatic cholangial drainage (PTCD). |
