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Table 3 Multivariable analyses for the anatomical classification with survival in CCA patients using multiple cox regression

From: Survival after surgery among patients with cholangiocarcinoma in Northeast Thailand according to anatomical and morphological classification

Anatomical classification Person-months IR per 100 Crude HR Adjusted **HR 95% CI P-value
 ICCA 7714 3.3 Ref. Ref.   0.024
 PCCA 6065 3.5 1.03 0.85 0.70–1.03  
 DCCA 1865 2.7 0.84 *0.67 0.49–0.91  
  1. HR: hazard ratio; Ref.: reference group
  2. * P < 0.05
  3. ** Hazard ratio of anatomical classification adjusted for effects of stage of CCA, gender, age, O. viverrini infection, education levels, occupation, smoking cigarettes, alcohol drinking, and praziquantel treatment