Table 3. Competing-risks regression.
Any metastasis |
Hepatic metastasis |
|||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Univariate analysis |
Multivariate analysis |
Univariate analysis |
Multivariate analysis |
|||||||||
Validate | HR | 95% CI | P-value | HR | 95% CI | P-value | HR | 95% CI | P-value | HR | 95% CI | P-value |
Age >75 | 1.35 | 0.90–2.01 | 0.15 | 1.39 | 0.91–2.13 | 0.13 | 1.19 | 0.58–2.44 | 0.64 | 0.89 | 0.41–1.97 | 0.78 |
Sex | 0.70 | 0.35–1.38 | 0.30 | 0.82 | 0.56–1.20 | 0.31 | 0.70 | 0.35–1.38 | 0.30 | 0.85 | 0.44–1.62 | 0.62 |
Body mass index >25 | 0.58 | 0.35–0.96 | 0.03 | 1.20 | 0.58–2.45 | 0.62 | ||||||
AST >35 | 1.86 | 1.08–3.21 | 0.03 | 0.31 | 0.04–2.29 | 0.25 | ||||||
ALT >35 | 1.59 | 0.95–2.66 | 0.08 | 1.72 | 0.72–4.11 | 0.22 | ||||||
Platelet count >100 000 | 1.8 | 0.24–13.5 | 0.57 | 0.58 | 0.08–4.07 | 0.59 | ||||||
CEA >5.0 ng ml−1 | 1.87 | 1.29–2.71 | <0.01 | 1.64 | 0.85–3.16 | 0.14 | ||||||
Diabetes mellitus | 0.83 | 0.51–1.35 | 0.46 | 1.82 | 0.90–3.67 | 0.10 | ||||||
Hepatic virus | 1.07 | 0.48–2.41 | 0.86 | 1.11 | 0.27–4.57 | 0.88 | ||||||
Hepatic fibrosis | 1.57 | 0.88–2.81 | 0.13 | 0.87 | 0.42–1.82 | 0.72 | 1.07 | 0.33–3.47 | 0.92 | 2.86 | 0.98–12.8 | 0.02 |
Location | ||||||||||||
Right-sided colon | Ref | — | — | Ref | — | — | ||||||
Left-sided colon | 0.86 | 0.55–1.33 | 0.49 | 1.05 | 0.52–2.10 | 0.90 | ||||||
Rectum | 1.68 | 1.08–2.62 | 0.02 | 0.70 | 0.27–1.82 | 0.46 | ||||||
Stage | ||||||||||||
I | Ref | — | — | Ref | — | — | Ref | — | — | Ref | — | — |
II | 11.9 | 3.68–38.7 | <0.01 | 15.1 | 3.63–62.8 | <0.01 | 11.9 | 3.68–38.7 | <0.01 | 3.54 | 0.98–12.8 | 0.05 |
III | 26.2 | 8.25–83.1 | <0.01 | 43.6 | 10.7–177.9 | <0.01 | 26.2 | 8.25–83.1 | <0.01 | 7.03 | 2.12–23.3 | <0.01 |
PS 0, 1/2, 3 and 4 | 1.55 | 0.81–2.99 | 0.19 | 0.42 | 0.06–3.08 | 0.39 |
Abbreviations: ALT=alanine aminotransferase; AST=aspartate aminotransferase; CEA=carcinoembryonic antigen; CI=confidence interval; HR=hazard ratio; PS=performance status; Ref=reference.