Table 3 Multivariate analysis for overall survival in colorectal cancer

Gender

0.717

0.352–1.462

0.360

Age

0.833

0.425–1.632

0.594

OLA1 score

2.616

1.328–5.153

0.005

Tumor location

1.285

0.828–1.994

0.263

T stage

2.092

1.090–4.031

0.026

N stage

1.383

1.018–1.878

0.038

M stage

4.407

2.033–9.552

0.000

Tumor size

1.292

0.767–2.177

0.336

1.070

0.739–1.548

0.720

Chemotherapy

1.390

0.694–2.783

0.353