Table 4.
Comparison of surgical procedures in HA and MLA groups, n (%).
| Surgical procedure | HA group | MLA group | χ2/ Fisher | P value |
| Pancreaticoduodenectomy | 2 (2.6) | 8 (2.4) | 0.000 | >.05∗ |
| Radical resection of hilar cholangiocarcinoma | 2 (2.6) | 4 (1.2) | 0.146 | >.05∗ |
| Radical resection of gallbladder carcinoma | 0 (0.0) | 6 (1.8) | 0.446 | >.05∗ |
| Hepatolobectomy | 1 (1.3) | 3 (0.9) | – | >.05† |
| OC | 5 (6.4) | 10 (3.0) | 1.242 | >.05∗ |
| OC+OTCBDE | 12 (15.4) | 21 (6.3) | 7.102 | <.05∗ |
| OC+OCBDE+T | 8 (10.3) | 14 (4.2) | 3.480 | >.05∗ |
| LC | 35 (44.9) | 217 (65.0) | 10.753 | <.05∗ |
| LC+LTCBDE | 7 (9.0) | 18 (5.4) | 0.866 | >.05∗ |
| LC+LCBDE+T | 4 (5.1) | 23 (6.9) | 0.319 | >.05∗ |
| LC + EST / EPBD | 0 (0.0) | 7 (2.1) | 0.645 | >.05∗ |
| PMLCG | 2 (2.6) | 3 (0.9) | >.05† |