Table I.
Univariate | Multivariate | ||||||
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Variables | n | Hazard ratio | 95% CI | P-value | Hazard ratio | 95% CI | P-value |
Age (≥65 years) | 84 | 1.92 | 1.07–3.57 | 0.030a | 1.60 | 0.87–3.05 | 0.133 |
Gender (male) | 126 | 1.27 | 0.60–3.13 | 0.553 | |||
Background liver (cirrhosis) | 54 | 1.58 | 0.88–2.81 | 0.123 | |||
Pugh-Child’s classification (B) | 11 | 0.93 | 0.28–2.32 | 0.889 | |||
α-FP (>20 ng/ml) | 70 | 1.90 | 1.07–3.42 | 0.029a | 1.32 | 0.69–2.50 | 0.395 |
PIVKA II (>40 mAU/ml) | 93 | 2.10 | 1.14–4.07 | 0.016a | 1.20 | 0.60–2.53 | 0.610 |
Tumor multiplicity (multiple) | 34 | 2.09 | 1.11–3.76 | 0.023a | 1.31 | 0.67–2.48 | 0.418 |
Tumor size (≥3.0 cm) | 104 | 2.20 | 1.13–4.71 | 0.020a | 1.37 | 0.61–3.36 | 0.453 |
Tumor differentiation (well) | 35 | 0.55 | 0.25–1.10 | 0.095 | |||
Growth type (invasive growth) | 24 | 1.44 | 0.69–2.76 | 0.318 | |||
Serosal infiltration | 37 | 2.51 | 1.32–4.61 | 0.006a | 1.47 | 0.70–3.02 | 0.304 |
Formation of capsule | 104 | 1.05 | 0.57–2.02 | 0.884 | |||
Infiltration to capsule | 83 | 1.20 | 0.67–2.18 | 0.537 | |||
Septum formation | 98 | 0.87 | 0.49–1.60 | 0.651 | |||
Vascular invasion | 37 | 3.40 | 1.87–6.07 | <0.001a | 2.42 | 1.17–4.97 | 0.017a |
Margin status (positive) | 28 | 2.64 | 1.42–4.73 | 0.003a | 2.84 | 1.48–5.36 | 0.002a |
Increased expression of MAGE-D2 mRNA | 66 | 1.96 | 1.10–3.54 | 0.022a | 2.65 | 1.43–4.98 | 0.002a |
Statistically significant (P<0.05).
Univariate and multivariate analyses were performed using the log-rank test and the Cox proportional hazards model, respectively. CI, confidence interval; α-FP, α-fetoprotein; PIVKA, protein induced by vitamin K antagonists; MAGE-D2, melanoma-associated antigen-D2.