Table 3.
Comparison of clinicopathological characteristics between the patients with anatomic and non-anatomic resections
| Anatomic resection | Non anatomic resection | P | |
|---|---|---|---|
| N | 184 | 96 | |
| Age, median (range) | 66 (13–85) | 64 (16–81) | 0.404 |
| Gender, male | 138 (75.0) | 72 (75.0) | 1.000 |
| HBsAg | 43 (23.4) | 16 (16.7) | 0.192 |
| HCV-Ab | 112 (60.9) | 62 (64.6) | 0.543 |
| Child–Pugh A/B | 174 (94.6)/10 (5.4) | 71 (74.0)/25 (26.0) | <0.001 |
| Size (mm) | 39 (8–50) | 28 (8–50) | 0.991 |
| Macrostopic typea | |||
| VN or SN | 112 (60.5) | 63 (65.6) | 0.748 |
| SNEG | 45 (24.5) | 20 (20.8) | |
| CM | 23 (12.5) | 13 (13.5) | |
| Others | 4 (2.2) | 0 (0) | |
| Histological grade | |||
| Well | 36 (20.0) | 18 (19.4) | 0.913 |
| Moderate | 129 (71.7) | 65 (69.9) | |
| Poor | 15 (8.3) | 10 (10.8) | |
| Microvascular invasion | 37 (20.1) | 23 (24.0) | 0.456 |
| Micrometastases | 11 (11.5) | 13 (7.1) | 0.213 |
| Liver cirrhosis | 91 (49.5) | 60 (62.5) | 0.037 |
| Surgical time (min) | 315 (260–374) | 275 (211–340) | 0.002 |
| Blood loss (ml) | 498 (314–776) | 480 (213–821) | 0.449 |
| Inflow occlusion | 169 (99.4) | 81 (90.0) | <0.001 |
| Transfusion | 4 (2.3) | 3 (3.4) | 0.690 |
| Surgical margin (mm) | 1 (0–40) | 5 (0–40) | <0.001 |
| Tumour exposure b | 27 (14.7) | 38 (39.5) | <0.001 |
| Specimen weight (g) | 125 (5–920) | 40 (1.5–260) | <0.001 |
Parentheses represent percentage unless indicated.
HBsAg: hepatitis B virus surface antigen, HCV-Ab: anti hepatitis C virus antibody.
a
Classification of the Liver Cancer Study Group of Japan.30
b
Exposure of the tumour capsule on the cut surface of the liver.
VN, vague nodular type; SN, simple nodular type; SNEG, simple nodular type with extranodular growth; CM, confluence multinodular type.