Variables

One-step

Multi-step*

Univariate analyses

Multivariate analyses

(n = 16)

(n = 30)

Odds

95% CI

P

Odds

95% CI

P

Age (years)

71±10

69±11

0.978

0.921-1.038

0.4537

Gender (M/F)

12 / 4

23 / 7

1.095

0.267-4.500

0.8996

Histology (SCC/AD +others)

0 / 16

8 / 22

4.565

0.509-40.961

0.1749

Siewert type (III/II)

11 / 5

7 / 23

0.138

0.036-0.536

0.0042

0.069

0.003-1.861

0.1119

pT (pT2-4/pT1)

12 / 5

15 / 15

0.381

0.100-1.455

0.1580

pN (pN1-3/pN0)

10 / 6

14 / 16

0.488

0.140-1.700

0.2596

pStage (III-IV/I-II)

8 / 8

10 / 20

0.389

0.112-1.352

0.1373

NAC (+/-)

5 / 11

5 / 25

0.440

0.105-1.835

0.2599

Gastrectomy type (TG/PG)

11 / 5

8 / 22

0.165

0.044-0.626

0.0080

Reconstruction type (EJ/EG)

13 / 3

9 / 21

0.099

0.023-0.434

0.0022

0.049

0.002-1.564

0.0877

Operative time (min)

457±120

526±170

1.003

0.999-1.008

0.1608

Blood loss (ml)

143±139

206±385

1.001

0.998-1.003

0.5371

Total LN

43.3±13.8

41.8±22.3

0.993

0.964-1.023

0.6530

Mediastinal LN

2.9±4.8

6.9±6.9

1.146

0.998-1.317

0.0541

Maximal tumor size (cm)

4.3±2.9

4.1.±2.4

0.998

0.974-1.022

0.8543

Length of esophageal invasion (cm)

0.9±0.5

3.5.±1.5

1.193

1.068-1.334

0.0018

1.271

1.042-1.549

0.0177

Proximal margin (cm)

2.1.±1.6

3.1.±1.6

1.047

0.998-1.098

0.0593

Distal margin (cm)

11.5±5.9

11.2.±6.0

0.999

0.988-1.010

0.8643

Length of excised mediastinal organs (cm)

2.3±1.4

6.7.±2.9

1.121

1.044-1.203

0.0017