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Table 4 Multivariate analysis of survival in patients with stages II and III BTC

From: The efficacy of fluoropyrimidine-based adjuvant chemotherapy on biliary tract cancer after R0 resection

Prognostic factor Hazard ratio 95% CI P value
Overall survival
Lymph node (negative vs. positive) 0.461 0.208–1.021 0.056
Serum CA 19-9 level (<37 vs. ≥37 U/mL) 0.379 0.177–0.811 0.012
Treatment (adjuvant chemotherapy vs. observation) 0.231 0.087–0.617 0.003
Recurrence-free survival
Lymph node (negative vs. positive) 0.579 0.269–1.250 0.164
Serum CA 19-9 level (<37 vs. ≥37 U/mL) 0.392 0.189–0.811 0.012
Treatment (adjuvant chemotherapy vs. observation) 0.385 0.161–0.923 0.032
  1. CI confidence interval, CA 19-9 carbohydrate antigen 19-9