Table 4 Multivariate analysis of the perioperative factors associated with the hepatectomy complications and new model

χ₁: Comorbidity

1.714(β₁)

12.241

5.552

 < 0.001

 < 5 kinds of disease

 ≥ 5 kinds of disease

1

6

χ₂: Fatigue

1.531(β₂)

6.765

4.630

0.009

No

Yes

1

5

χ₃: Child–pugh

1.438(β₃)

8.406

4.211

0.004

A

B

1

4

χ₄: Number of segments resected

1.411(β₄)

10.812

4.101

0.001

 ≤ 2

 ≥ 3

1

4

χ₅: Adjacent organ resection

0.421(β₅)

6.669

1.523

0.010

No

1

Yes

2

Constant

 − 3.927(α)

11.765