Table 1 Baseline characteristics of the patients included
|  | OPD (n = 86) | LPD (n = 21) | RPD (n = 32) | P |
|---|---|---|---|---|
Male | 49 | 12 | 21 | 0.690 |
Female | 37 | 9 | 11 | |
Age | 57.7 ± 12.3 | 52.1 ± 13.5 | 53.7 ± 14.4 | 0.119 |
BMI | 21.5 ± 3.0 | 22.6 ± 2.3 | 21.7 ± 3.0 | 0.314 |
Tumor size | 3.4 ± 2.1 | 3.7 ± 2.7 | 3.4 ± 1.9 | 0.916 |
Tbil | 94.2 ± 115.0 | 86.2 ± 97.9 | 64.8 ± 70.0 | 0.395 |
Alb | 37.3 ± 3.9 | 37.5 ± 3.8 | 37.4 ± 3.8 | 0.970 |
Hb | 109.9 ± 18.5 | 114.2 ± 16.9 | 116.7 ± 21.4 | 0.259 |
Malignant tumor | 66 | 17 | 22 | 0.572 |
Benign tumor | 20 | 4 | 10 |