Table 2.
Clinical parameter | Univariate analysis | Multivariate analysis | ||
HR (95% CI) | P value | HR (95% CI) | P value | |
Gender (male vs female) | 1.345 (0.692–2.615) | 0.382 | ||
Age (≥50 vs <50 yr) | 1.418 (0.730–2.757) | 0.303 | ||
Tumor size (≥4 vs <4 cm) | 1.211 (0.635–2.307) | 0.561 | ||
Differentiation (low vs high or middle differentiation) | 2.420 (1.231–4.757) | 0.010a | 1.476 (0.730–2.984) | 0.278 |
TNM stage (III/IV vs I/II) | 4.831 (2.384–9.791) | 0.000b | 11.185 (3.008–41.587) | 0.000b |
Lymph node metastasis (positive vs negative) | 3.358 (1.727–6.530) | 0.000b | 0.341 (0.097–1.195) | 0.093 |
NRIP3 (methylation vs unmethylation) | 2.396 (1.203–4.773) | 0.013a | 2.256 (1.069–4.761) | 0.033a |
Tumor location (distal vs proximal) | 0.648 (0.330–1.272) | 0.208 |
CI, confidence interval; HR, hazard ratio.
P < 0.05.
P < 0.001.