Table 7 Univariate and multivariate analyses of factors possibly associated with postoperative outcomes in the study population (290 patients)

Age > 70

0.831

0.456‑1.515

0.545

Gender

0.971

0.601‑1.570

0.906

Tumor site

0.970

0.606‑1.553

0.900

PBD

0.587

0.368‑0.937

0.025

0.163

Initial Hb

1.012

0.997‑1.027

0.111

Perioperative Hb

1.017

1.002‑1.033

0.027

0.059

Initial WBC

0.953

0.849‑1.068

0.407

Perioperative WBC

1.006

0.891‑1.137

0.922

Initial TB

0.999

0.997‑1.001

0.516

Perioperative TB

1.004

1.001‑1.007

0.016

Initial GGT

1.000

1.000‑1.000

0.860

Perioperative GGT

1.000

1.000‑1.001

0.893

Initial Na

0.936

0.867‑1.011

0.091

0.184

Perioperative Na

0.990

0.916‑1.071

0.806

Initial PT

0.962

0.841‑1.100

0.567

Perioperative PT

0.915

0.746‑1.123

0.395