Table 3. Multivariate Cox model analyses of prognostic factors of HCC.
| Variable | Hazard Ratio | 95% CI | P |
|---|---|---|---|
| Years of diagnosis | P < 0.001 | ||
| 1988–1994 | 1 | Reference | |
| 1995–2001 | 0.974 | 0.875–1.084 | |
| 2002–2007 | 0.803 | 0.725–0.889 | |
| Age | P < 0.001 | ||
| <45 | 1 | Reference | |
| 45–60 | 1.617 | 1.441–1.814 | |
| 61–75 | 2.098 | 1.869–2.355 | |
| >75 | 2.410 | 2.115–2.747 | |
| Race | P < 0.001 | ||
| Caucasian | 1 | Reference | |
| African American | 1.189 | 1.092–1.295 | |
| Others* | 0.866 | 0.813–0.921 | |
| Pathological grading | P < 0.001 | ||
| High/Moderate | 1 | Reference | |
| Poor/undifferentiation | 1.396 | 1.315–1.483 | |
| Stage | P < 0.001 | ||
| Localized | 1 | Reference | |
| Regional | 1.797 | 1.694–1.907 | |
| Distant | 2.924 | 2.692–3.177 | |
| Tumor size (mm) | P < 0.001 | ||
| <3 cm | 1 | Reference | |
| 3–5 cm | 1.736 | 1.586–1.901 | |
| >5 cm | 2.529 | 2.322–2.754 | |
| Marital Status | P < 0.001 | ||
| Married | 1 | Reference | |
| Never married | 1.109 | 1.025–1.200 | |
| Divorced/Separated | 1.181 | 1.082–1.288 | |
| Widowed | 1.198 | 1.093–1.312 |
*Including other (American Indian/AK Native, Asian/Pacific Islander) and unknowns.