Table 1.
Clinical characteristics of study patients
|
Factors
|
LLR
|
OLR
|
P
|
|
n
= 10
|
n
= 20
|
||
| Age, years | 74 (31-94) | 71 (35-83) | 0.91 |
| Sex (male/female) | 6/4 | 12/8 | 1.0 |
| HBs-Ag (positive/negative) | 0/10 | 2/18 | 0.20 |
| HCV-Ab (positive/negative) | 4/6 | 8/12 | 1.0 |
| White blood cell, × 103 /uL | 5.5 (3.1-6.0) | 6.8 (2.5-10.6) | 0.23 |
| Platelet, × 104 /uL | 16.4 (11.2-21.2) | 17.5 (8.3-88.0) | 0.36 |
| Prothrombin time, % | 102 (69-122) | 105 (65-126) | 0.86 |
| AST, U/L | 23 (14-48) | 27 (13-175) | 0.52 |
| ALT, U/L | 23 (10-46) | 26 (6-103) | 0.31 |
| ALP, U/L | 221 (138-375) | 243 (134-676) | 0.36 |
| ChE, U/L | 263 (154-327) | 231 (121-357) | 0.39 |
| ICG R15, % | 10.4 (4.5-24.7) | 10.6 (0.9-65.4) | 0.84 |
| Child-Pugh classification (A/B) | 10/0 | 18/2 | 0.20 |
| Difficulty scoring system | 4 (2-5) | 4 (2-6) | 0.44 |
| Operative time, min | 290 (126-660) | 385 (82-633) | 0.88 |
| Bleeding volume, mL | 57 (5-750) | 528 (116-9527) | 0.003 |
| Resected liver volume, g | 66.5 (4-206) | 77.5 (2-220) | 0.76 |
| Longest diameter of the tumor, mm | 17 (6-53) | 25 (7-55) | 0.27 |
| Number of resected lesion | 1 (1-2) | 2 (1-7) | 0.1 |
| Surgical margin, mm | 5 (0-55) | 1 (0-22) | 0.24 |
| Diagnosis(primary/metastasis/benign) | 7/2/1 | 13/6/1 | 0.77 |
| Postoperative hospital stay, d | 10 (6-14) | 14 (8-26) | 0.003 |
| Complications (no/yes) | 10/0 | 17/3 | 0.1 |
No complication means less than IIIa at clavien-dindo classification. LLR: Laparoscopic liver resection; OLR: Open liver resection; HBs-Ag: hepatitis B surface antigen; HCV-Ab: hepatitis C antibody; AST: Aspartate aminotransferase; ALT: Alanine aminotransferase; ALP: Alkaline phosphatase; ChE: Cholinesterase; ICG-R15: Retention of indocyanine green at 15 min.