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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