Table 3. Kaplan-Meier univariate survival analysis.
| Factor | n | % recurrence | χ2 | P value |
|---|---|---|---|---|
| Age (years) | 1. 682 | 0.195 | ||
| <60 | 43 | 30.2 | ||
| ≥60 | 41 | 26.8 | ||
| Gender | 0.326 | 0.568 | ||
| Male | 53 | 25.8 | ||
| Female | 31 | 30.2 | ||
| Tumor size (d/cm) | 0.171 | 0.679 | ||
| <5 | 46 | 30.4 | ||
| ≥5 | 38 | 26.3 | ||
| Degree of differentiation | 5.542 | 0.063 | ||
| Poor | 15 | 46.7 | ||
| Medium | 27 | 37.0 | ||
| High | 42 | 16.7 | ||
| Lymph node metastasis | 10.247 | 0.001 | ||
| No metastasis | 41 | 39.5 | ||
| Metastasis | 43 | 17.1 | ||
| TNM stage | 6.679 | 0.035 | ||
| I | 38 | 21.1 | ||
| II | 27 | 25.9 | ||
| III | 19 | 47.3 | ||
| AFP (ng/mL) | 4.052 | 0.044 | ||
| ≤7 | 44 | 37.5 | ||
| >7 | 40 | 20.5 | ||
| cfDNA concentration | 3.900 | 0.048 | ||
| Low expression | 54 | 26.7 | ||
| High expression | 30 | 11.1 | ||
| BCLC stage | 10.172 | 0.006 | ||
| A | 32 | 9.4 | ||
| B | 12 | 25.0 | ||
| C | 40 | 45.0 |
AFP, alpha fetoprotein; cfDNA, cell-free DNA.