Table 2.
Uni- and multivariate analyses of MTR, TSR, and other clinicopathological variables.
| Univariate analysis | Multivariate analysis | |||||||
|---|---|---|---|---|---|---|---|---|
| Training cohort | Validation cohort | Training cohort | Validation cohort | |||||
| HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | |
| Age | 1.03 (1.01–1.04) | <0.001 | 1.01 (0.99–1.03) | 0.184 | 1.02 (1.01–1.04) | <0.001 | 1.02 (1.00–1.04) | 0.049 |
| Sex | ||||||||
| Male | 1 | |||||||
| Female | 0.84 (0.60–1.18) | 0.317 | 1.44 (0.90–2.28) | 0.125 | ||||
| Stage | ||||||||
| II | 1 | 1 | 1 | 1 | ||||
| III | 2.67 (1.85–3.84) | <0.001 | 3.10 (1.80–5.35) | <0.001 | 2.73 (1.90–3.94) | <0.001 | 3.04 (1.76–5.25) | <0.001 |
| Tumor site | ||||||||
| Colon | 1 | 1 | ||||||
| Rectum | 1.07 (0.77–1.48) | 0.704 | 1.12 (0.71–1.78) | 0.625 | ||||
| TSR | ||||||||
| Stroma-low | 1 | 1 | 1 | 1 | ||||
| Stroma-high | 1.72 (1.23–2.41) | 0.001 | 2.17 (1.32–3.57) | 0.002 | 1.62 (1.14–2.32) | 0.008 | 1.99 (1.20–3.28) | 0.007 |
| MTR | ||||||||
| Mucus-low | 1 | 1 | 1 | 1 | ||||
| Mucus-high | 1.88 (1.18–2.99) | 0.008 | 2.09 (1.21–3.60) | 0.008 | 1.65 (1.01–2.71) | 0.047 | 1.96 (1.12–3.42) | 0.018 |
Abbreviations: HR, hazard ratio; CI, confidence interval; TSR, tumor-stroma ratio; MTR, mucus-tumor ratio.