Table 2.
Findings by microvascular invasion.
| Characteristics | Microvascular invasion | p-value |
|---|---|---|
| Median number of affected segments | 2.0 vs. 1.0 | 0.01∗ |
| Median number of HCCs | 1.0 vs. 1.0 | 0.23 |
| Median HCC tumor size | 3.5 vs. 2.5 | 0.09 |
| Median AFP | 18.8 vs. 8.8 | 0.02∗ |
| HCC etiology, % | ||
| HCV | 22.0 vs. 26.3 | 0.60 |
| HBV | 60.0 vs. 21.7 | 0.08 |
| Alcohol | 13.3 vs. 24.8 | 0.52 |
| NAFLD | 36.4 vs. 22.0 | 0.28 |
| Segment | ||
| Segment 1 | 0.0 vs. 23.5 | 1.00 |
| Segment 2 | 35.3 vs. 21.4 | 0.22 |
| Segment 3 | 26.3 vs. 22.8 | 0.77 |
| Segment 4a | 36.8 vs. 20.8 | 0.14 |
| Segment 4b | 35.7 vs. 21.7 | 0.31 |
| Segment 5 | 34.5 vs. 19.8 | 0.10 |
| Segment 6 | 25.6 vs. 22.2 | 0.68 |
| Segment 7 | 23.8 vs. 23.1 | 0.93 |
| Segment 8 | 25.6 vs. 22.1 | 0.66 |
| Segment 2 and 3 | 71.4 vs. 20.4 | 0.01∗ |
| Segment 4a and b | 34.6 vs. 20.2 | 0.12 |
| Segment 5 and 6 | 26.9 vs. 20.6 | 0.42 |
| Segment 6 and 7 | 24.2 vs. 22.4 | 0.82 |
| Segment 7 and 8 | 24.2 vs. 22.2 | 0.79 |
| Segment 4b and 5 | 37.5 vs. 16.3 | 0.01∗ |
| Segment 4a and 8 | 27.3 vs. 20.0 | 0.35 |
| Segment 4b and 8 | 29.1 vs. 18.5 | 0.17 |
| Segment 5 and 8 | 42.9 vs. 20.8 | 0.09 |
| BCLC A, B, and C stages | 18.5 vs. 36.0 vs. 66.7 | 0.04∗ |
| HCC pathology stage, 1, 2, and 3 | 12.4 vs. 51.6 vs. 50.0 | ≤0.01∗∗ |
| HCC recurrence | 78.6 vs. 14.0 | ≤0.01∗∗ |
| Median survival, months | 50 vs. 137 | 0.01∗ |
HCC: hepatocellular carcinoma, AFP: alpha fetoprotein, HCV: hepatitis C virus, HBV: hepatitis B virus, NAFLD: Nonalcoholic fatty liver disease, BCLC: Barcelona Clinic Liver Cancer, ∗p < 0.05, ∗∗p < 0.01.