Table 2 Variables in the RGS and LGS
Characteristic | RGS (n = 406) | LGS (n = 189) | p value |
|---|---|---|---|
Background | |||
 Age | 68 | 69 | 0.12 |
 Gender (male/female) | 326 / 80 | 145 / 44 |  |
 BMI | 23.9 | 24.1 | 0.89 |
Preoperative laboratory data | |||
 AST | 36 (10–158) | 41 (24–114) | 0.58 |
 ALT | 31 (3–183) | 39 (13–172) | 0.51 |
 Alb | 3.5 (1.6–4.9) | 3.6 (2.1–4.8) | 0.65 |
 ICGR15 | 15 (1–74) | 17.7 (4–48) | 0.61 |
 PT% | 83(28–120) | 84 (0.1–20) | 0.87 |
 AFP | 21 | 15 | 0.11 |
 PIVKA2 | 46 | 45 | 0.86 |
Operative findings | |||
 Operation time (min) | 285 | 250 | 0.0024 |
 Bleeding (ml) | 497 | 468 | 0.39 |
Pathological findings | |||
 Tumor size (mm) | 28 | 25 | 0.61 |
 Total tumor volume | 11.5 | 9.8 | 0.62 |
 vv + (n=) | 16 | 10 | 0.46 |
 vp + (n=) | 108 | 52 | 0.83 |
 va + (n=) | 2 | 2 | 0.43 |
 b + (n=) | 7 | 7 | 0.16 |
 IG | 39 | 24 | 0.26 |
 EG | 367 | 165 | 0.18 |
Postoperative course | |||
 Ascites > 1000 (n=) | 66 | 33 | 0.65 |
 Pleural effusion (n=) | 89 | 9 | 0.02 |
Mode of operation | |||
 Anatomical resection | 229 | 105 | 0.87 |
 Lobectomy | 12 | 28 | < 0.0001 |
 Sectionectomy | 34 | 43 | < 0.0001 |
 Segmentectomy | 142 | ※ | – |
 Non-anatomical resection | – | – | – |
 Partial resection | 177 | 84 | 0.83 |
Pattern of recurrence | |||
 Hematogenous metastasis | 29 | 23 | 0.044 |
 Intra hepatic metastasis | 236 | 114 | 0.64 |
 Local recurrence | 79 | 32 | 0.47 |
 Distant inside the liver | 157 | 82 | 0.26 |