Table 3 Multivariate analysis for overall survival

 Sex

Male

–

–

Female

–

–

 Age (yrs)

< 60

–

–

60–79

–

–

80+

6.208 (2.204, 17.484)

< 0.001

LNR

LODDS

Tumour site

Caecum

–

–

Ascending colon

–

–

Hepatic flexure

0.212 (0.046, 0.980)

0.047

0.200 (0.043, 0.922)

0.039

Transverse colon

–

–

Splenic flexure

–

–

Descending colon

–

–

Sigmoid colon

0.092 (0.020, 0.421)

0.002

0.079 (0.017, 0.368)

0.001

Rectosigmoid

–

–

T stage

0–2

–

–

3

–

–

4

8.92 (3.520, 22.605)

< 0.001

8.57 (3.394, 21.655)

< 0.001

N stage

0

-^*

-^*

1

-^*

-^*

2

-^*

-^*

ASA

1

-^*

-^*

2

-^*

-^*

3

-^*

-^*

4

-^*

-^*

Pathological grade

Undifferentiated

–

–

Poor differentiation

–

–

Moderate differentiation

–

–

Well differentiated

–

–

LVI

No

–

–

Yes

–

–

CRM

Negative > 1 mm

–

–

Positive ≤1 mm

–

–

Not reported

–

–

≥12 LNY

No

–

–

Yes

0.423 (0.220, 0.813)

0.010

0.382 (0.199, 0.734)

0.004