Table 2 Uni- and multivariable analyses of (a) cancer-specific and (b) overall survival in non-irradiated CRCs

(a) Cancer survival^a

 Female gender

1.17 (0.74–1.83)

0.503

 Right colon

1.00 (Reference)

1.00 (Reference)

 Left colon

1.45 (0.77–2.71)

0.251

1.14 (0.60–2.17)

0.682

 Rectum

1.54 (0.88–2.70)

0.128

1.04 (0.58–1.89)

0.888

 Stage I

0.09 (0.02–0.37)

0.001

0.08 (0.02–0.33)

< 0.001

 Stage II

0.34 (0.17–0.68)

0.002

0.25 (0.12–0.51)

< 0.001

 Stage III

1.00 (Reference)

1.00 (Reference)

 Stage IV

3.08 (1.91–4.97)

<0.001

3.43 (2.02–5.84)

< 0.001

 CRP (per 10mg/l)

1.09 (1.01–1.17)

0.022

1.08 (1.00–1.15)

0.042

 Age (per 10 years)

1.24 (1.02–1.51)

0.032

1.59 (1.30–1.95)

< 0.001

(b) Overall survival^b

 Female gender

1.10 (0.78–1.54)

0.60

 Right colon

1.00 (Reference)

1.00 (Reference)

 Left colon

0.79 (0.49–1.28)

0.49

0.87 (0.52–1.44)

0.58

 Rectum

1.18 (0.80–1.73)

0.79

1.10 (0.73–1.64)

0.66

 Stage I

0.48 (0.28–0.81)

0.006

0.40 (0.23–0.70)

0.001

 Stage II

0.71 (0.46–1.10)

0.12

0.50 (0.32–0.80)

0.003

 Stage III

1.00 (Reference)

1.00 (Reference)

Reference

 Stage IV

2.40 (1.53–3.76)

< 0.001

3.13 (1.93–5.06)

< 0.001

 CRP (per 10mg/l)

1.05 (0.99–1.12)

0.096

1.08 (1.01–1.15)

0.037

 Age (per 10 years)

2.00 (1.68–2.38)

< 0.001

1.66 (1.25–2.20)

< 0.001