Table S1. General characteristics of patients and their paired patients (17 patients).
| Variables | LH group (n=17) | OH group (n=17) | P value |
|---|---|---|---|
| Age (year), mean ± SD | 56.4±5.6 | 55.9±6.4 | 0.405 |
| Gender | 1.000 | ||
| Male | 10 | 10 | |
| Female | 7 | 7 | |
| Procedure | 1.000 | ||
| Right hepatectomy | 11 | 11 | |
| Left hepatectomy | 6 | 6 | |
| Diagnosis | 1.000 | ||
| Hepatolithiasis | 11 | 11 | |
| Malignant tumor | 6 | 6 | |
| Benign tumor | 0 | 0 | |
| Liver cirrhosis | 1.000 | ||
| Yes | 2 | 2 | |
| No | 15 | 15 | |
| Child classification | 1.000 | ||
| A | 17 | 17 | |
| B | 0 | 0 | |
| Branch of portal vein invasion | 1.000 | ||
| Yes | 1 | 1 | |
| No | 16 | 16 | |
| Hepatic vein invasion | 1.000 | ||
| Yes | 1 | 1 | |
| No | 16 | 16 | |
| Preoperative TACE | 1.000 | ||
| Yes | 1 | 1 | |
| No | 16 | 16 | |
| Tumor size (n=6) (cm), mean ± SD | 7.7±4.8 | 8.4±4.6 | 0.813 |
| Number of lesions(n=6) | 1.000 | ||
| Single | 16 | 16 | |
| Multiple | 1 | 1 | |
| ASA score | 0.500 | ||
| II | 16 | 15 | |
| III | 1 | 2 | |
| BMI (kg/m2), mean ± SD | 22.7±1.7 | 22.2±2.1 | 0.478 |
LH, laparoscopic hemihepatectomy; OH, open hemihepatectomy; ASA, American Society of Anesthesiologists; BMI, body mass index; SD, standard deviation.