Table 4 Univariate and multivariate logistic regression analysis between the training and validation cohorts

Age

1.02 (0.98–1.05)

0.307

Gender

Female

Reference

Male

1.37 (0.62–3.01)

0.437

BMI

1.12 (1.01–1.26)

0.047

1.52 (1.10–2.11)

0.011

ASA

 2

Reference

 3

0.34 (0.12–0.97)

0.044

0.64 (0.10–4.27)

0.642

 1

0.82 (0.26–2.56)

0.730

1.86 (0.28–12.36)

0.52

Hypertension

 Yes

Reference

 No

0.14 (0.06–0.32)

< 0.001

0.20 (0.05–0.87)

0.032

Preoperative hemoglobin

1.00 (0.98–1.02)

0.886

Preoperative serum albumin

 ≥ 35 g/L

Reference

 <35 g/L

5.75 (2.33–14.21)

< 0.001

5.10 (0.91–28.60)

0.064

Preoperative total cholesterol

0.87 (0.54–1.40)

0.565

Preoperative triglyceride

1.61 (0.89–2.88)

0.112

Preoperative C -reactive protein count

1.00 (0.99–1.02)

0.759

SAT area

1.01 (1.01–1.01)

0.045

1.02 (1.01–1.04)

0.013

SAT Radiodensity

0.96 (0.91–1.01)

0.098

VAT Radiodensity

1.12 (1.06–1.18)

< 0.001

1.34 (1.16–1.56)

< 0.001

Distance between tumor and the dentate line

 <10 cm

Reference

 ≥ 10 cm

0.13 (0.05–0.32)

< 0.001

0.03 (0.01–0.21)

< 0.001

SIG

 3

Reference

 0

2.50 (0.28–22.40)

0.413

 1

1.20 (0.12–12.27)

0.878

 2

0.83 (0.04–16.99)

0.906

Tumor diameter

 >3 cm

Reference

 ≤ 3 cm

0.10 (0.03–0.30)

< 0.001

0.14 (0.03–0.82)

0.029

Diabetes

 No

Reference

 Yes

1.30 (0.37–4.62)

0.682