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Table 4 Multivariate analysis of prognostic factors for survival

From: The optimal extent of gastrectomy for middle-third gastric cancer: distal subtotal gastrectomy is superior to total gastrectomy in short-term effect without sacrificing long-term survival

Variable

 

hazard ratio (95% Confidence interval)

P value

Gastrectomy

Distal subtotal gastrectomy

1

0.942

Total gastrectomy

1.015 (0.677, 1.523)

 

Location

Middle

1

0.271

Middle-lower

1.219 (0.857, 1.735)

 

Differentiation

Well

1

0.315

Moderate

1.218 (0.644, 2.302)

0.544

Poor

1.506 (0.813, 2.791)

0.193

Blood loss volume

1.001 (1.000, 1.002)

0.094

Age

≤60

1

0.046

>60

1.401 (1.006, 1.950)

 

Operation duration

1.004 (1.002, 1.006)

<0.001

Complications

No

1

0.037

Yes

1.668 (1.031, 2.698)

 

Neoadjuvant chemotherapy

No

1

<0.001

Yes

1.938 (1.362, 2.756)

 

Tumor size

≤5 cm

1

0.012

>5 cm

1.581 (1.108, 2.257)

 

Lymphovascular invasion

No

1

0.043

Yes

1.476 (1.012, 2.151)

 

T stage

T1

1

0.069

T2

0.865 (0.183, 4.094)

0.855

T3

2.093 (0.487, 8.995)

0.321

T4

2.712 (0.790, 9.311)

0.113

N stage

N0

1

<0.001

N1

2.234 (1.165, 4.284)

0.016

N2

2.236 (1.149, 4.349)

0.018

N3

4.416 (2.417, 8.067)

<0.001