Table 2

 Bivariate association between survival and patient and pathology characteristics

CharacteristicOverall survivalCancer specific survival
Hazard ratio (95% CI)p ValueHazard ratio (95% CI)p Value
MSI-low, microsatellite instability low.
95% CI, 95% confidence interval.
MSI-low0.9 (0.6–1.4)0.6271.3 (0.7–2.2)0.426
Male1.5 (1.0–2.3)0.0491.6 (0.9–2.9)0.107
Age 75–99 y2.0 (1.4–2.9)0.0001.5 (0.9–2.5)0.148
Rectal tumour1.4 (1.0–1.9)0.0571.3 (0.8–2.1)0.230
Tumour size ⩾5 cm1.2 (0.8–1.6)0.4041.1 (0.7–1.8)0.634
Venous invasion present1.9 (1.3–2.6)0.0002.9 (1.9–4.6)0.000
Direct spread beyond muscularis propria1.6 (0.9–2.7)0.0942.3 (1.0–5.2)0.052
Free serosal surface involved1.0 (0.6–1.6)0.9951.6 (0.9–2.8)0.102
High grade tumour1.7 (1.2–2.4)0.0032.5 (1.6–4.0)0.000
More than 3 nodes involved1.4 (1.0–2.0)0.0632.2 (1.4–3.4)0.001
Apical node involved2.4 (1.2–4.8)0.0192.7 (1.0–7.3)0.058