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Table 4 The variable assignment of multivariate logistic regression

From: Influencing factors of biliary fistula after radical resection of hilar cholangiocarcinoma: a prospect cohort

Factors

Variables

Assignment

Biliary fistula

Y

Yes = 1, no = 2

Age (y)

X1

 ≥ 65 = 1, < 65 = 2

Preoperative cholangitis

X2

Yes = 1, no = 2

Number of biliary anastomosis

X3

 ≥ 2 = 1, < 21 = 2

GGT (U/L) on the first day after surgery

X4

 ≥ 120 = 1, < 120 = 2

Preoperative bile culture for Klebsiella pneumoniae

X5

Yes = 1, no = 2

  1. GGT gamma glutamyl transpeptidase