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Table 4 Univariate and multivariate Cox analysis predicting OS and DFS based on Transfusion and No-transfusion

From: Perioperative blood transfusion does not affect recurrence-free and overall survivals after curative resection for intrahepatic cholangiocarcinoma: a propensity score matching analysis

Characteristic Variable Before PSM After PSM
univariate multivariate univariate
HR (95% CI) P valuea HR (95% CI) P valuea HR (95% CI) P valuea
PBT(OS) no reference <0.001 reference 0.479 reference 0.070
yes 1.889 (1.446–2.468)   1.172 (0.756–1.816)   1.429 (0.972–2.103)  
PBT(DFS) no reference 0.001 reference 0.799 reference 0.238
yes 1.589 (1.221–2.067)   0.944 (0.608–1.466)   1.262 (0.858–1.856)  
  1. alikelihood ratio test