Table 4 Univariate and multivariate analyses of Clavien–Dindo grade III and above complications

 SEC

1

 COEC

0.862

0.487–1.525

0.609

Age

1.008

0.992–1.025

0.312

Sex

1.129

0.855–1.492

0.392

BMI

0.973

0.937–1.010

0.146

Smoking

1.062

0.821–1.373

0.646

Drinking

1.161

0.873–1.545

0.305

Lung disease

1.073

0.653–1.762

0.782

Diabetes

1.702

1.127–2.571

0.011^*

1.604

1.049–2.454

0.029^*

Hypertension

0.978

0.731–1.307

0.878

Coronary heart disease

1.741

1.117–2.712

0.014^*

1.592

1.008–2.515

0.046^*

FVC

0.862

0.735–1.010

0.067

FEV1

0.854

0.703–1.037

0.111

DLCO

0.894

0.830–0.964

0.003^*

0.916

0.849–0.988

0.024^*

EF

0.970

0.917–1.026

0.284

WBC

0.998

0.940–1.060

0.956

ALB

0.950

0.919–0.981

0.002^*

0.955

0.924–0.987

0.007^*

N

0.994

0.948–1.043

0.810

LN

0.938

0.813–1.082

0.381

M

0.961

0.793–1.165

0.685

 Upper

1

 Middle

0.968

0.660–1.420

0.866

 Lower

0.809

0.556–1.176

0.266

 GEJ

0.513

0.288–0.914

0.023^*

-

-

-

 Squamous

1

 Adenocarcinoma

0.637

0.415–0.977

0.039^*

-

-

-

 Other

0.977

0.581–1.645

0.931

Tumor size (cm)

0.988

0.908–1.073

0.768

 1

 2

0.911

0.671–1.237

0.550

 3

0.914

0.663–1.260

0.583

 4

0.791

0.419–1.491

0.468

Operation time

1.003

1.001–1.006

0.009^*

-

-

-

Intraoperative infusion

1.000

1.000–1.001

0.005^*

-

-

-

Surgical procedures

0.695

0.464–1.040

0.077