Table 2.
Pathologic examination results of single and multiple groups
| Variable | Single group (n=81) | Multiple group (n=52) | Total (n=133) | P-value |
|---|---|---|---|---|
| Tumor number | <0.001 | |||
| 1 | 72 (88.9) | 0 (0.0) | 72 (54.1) | |
| 2 | 6 (7.4) | 42 (80.8) | 48 (36.1) | |
| 3 | 1 (1.2) | 8 (15.4) | 9 (6.8) | |
| 4 | 1 (1.2) | 1 (1.9) | 2 (1.5) | |
| 5 | 1 (1.2) | 0 (0.0) | 1 (0.8) | |
| 6 | 0 (0.0) | 1 (1.9) | 1 (0.8) | |
| Differentiation, major | 0.120 | |||
| I | 0 (0.0) | 1 (2.0) | 1 (0.8) | |
| II | 36 (44.4) | 25 (49.0) | 61 (46.2) | |
| III | 39 (48.1) | 17 (33.3) | 56 (42.4) | |
| IV | 6 (7.4) | 8 (15.7) | 14 (10.6) | |
| Differentiation, worst | 0.769 | |||
| I | 1 (1.2) | 0 (0.0) | 1 (0.8) | |
| II | 15 (18.5) | 7 (13.7) | 22 (16.7) | |
| III | 30 (37.0) | 23 (45.1) | 53 (40.2) | |
| IV | 35 (43.2) | 21 (41.2) | 56 (42.4) | |
| Tumor size, maximum | 5.1 (1.2-24.0) | 4.0 (1.0-20.0) | 4.9 (1.0-24.0) | 0.032 |
| Resection margin (cm) | 1.0 (0.0-8.0) | 0.6 (0.1-4.0) | 0.7 (0.0-8.0) | 0.008 |
| Resection margin invasion | 4 (4.9) | 0 (0.0) | 4 (3.0) | 0.155 |
| Microvascular invasion | 67 (82.7) | 25 (48.1) | 92 (69.2) | <0.001 |
| Intrahepatic metastasis | 16 (30.8) | 15 (19.2) | 31 (23.8) | 0.130 |
| AJCC 8th T stage | <0.001 | |||
| T2 | 76 (93.8) | 37 (71.2) | 113 (85.0) | |
| T3 | 5 (6.2) | 15 (28.8) | 20 (15.0) |
Values are presented as median (range) for continuous data and number (%) for categorical data.
AJCC, American Joint Committee on Cancer.