Table 3. Univariate analysis of factors associated with OS (n=155).
| Variable | OS |
||
|---|---|---|---|
| HR, (95% CI) | P | ||
| Gender (female vs. male) | 0.831 (0.496-1.391) | 0.481 | |
| Age (>59 y vs. ≤59 y) | 0.986 (0.599-1.624) | 0.956 | |
| Location of primary tumor (right vs. left) | 0.919 (0.551-1.532) | 0.746 | |
| Grade (G4+G3 vs. G2+G1) | 2.238 (1.303-3.844) | 0.004a | |
| Pathologic classification (papillary+tubular vs. other) | 1.759 (0.758-4.083) | 0.189 | |
| Stage (IV+III vs. II+I) | 12.904 (5.850-28.465) | 0.000b | |
| Hepatic metastases (no vs. yes) | 0.037 (0.018-0.076) | 0.000b | |
| MCCadjacent (high vs. low)A | 1.427 (0.862-2.364) | 0.167 | |
| MCCinvasive(high vs. low) B | 0.821 (0.498-1.355) | 0.441 | |
A, MCCadjacenthigh, MCCadjacent>8.0 MC/HP; MCCadjacentlow, MCCadjacent≤8.0 MC/HP. B, MCCinvasivehigh,MCCinvasive>4.0 MC/HP; MCCinvasive low, MCCinvasive≤4.0 MC/HP. 95% CI, 95% confidence interval. aP<0.05, bP<0.001, statistically significant.