Analysis of maximum likelihood estimates

Parameter

Parameter estimate

Standard error

χ2

p

Hazard ratio

95% CI

Complications

1.99954

0.76711

6.7944

0.0091

7.386

1.642 - 33.219

Trasfusions

No

1.01648

0.63223

2.5849

0.1079

2.763

0.8 - 9.54

BMI

Normal weight

0.9845

0.59492

2.7386

0.098

2.676

0.834 - 8.588

Underweight

2.12851

1.04308

4.164

0.0413

8.402

1.088 - 64.904

Extent of resection

Extended

−0.3498

0.60408

0.3353

0.5625

0.705

0.216 - 2.304

Subtotal

−1.17814

0.5833

4.0796

0.0434

0.308

0.098 - 0.966

Lymph node ratio

>0, <0.2

0.77875

1.21566

0.4104

0.5218

2.179

0.201 - 23.607

≥0.2

2.66581

1.08474

6.0395

0.014

14.38

1.716 - 120.534