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Comparison of operative effects in HA and MLA groups [M (P25-P75)].
| Item | HA group | MLA group | Z | P value |
| The intraoperative blood loss (ml) | 30.0 (20.0–100) | 15.0 (10.0–30.0) | −4.275 | <.05 |
| Operation time (min) | 92.5 (70.0–141.3) | 75.0 (50.0–115.0) | −3.227 | <.05 |
| Postoperative hospital stay (d) | 10.0 (6.0–16.5) | 7.0 (4.0–11.0) | −3.752 | <.05 |
| Length of hospitalization (d) | 17.0 (11.8–23.0) | 13.0 (9.0–19.0) | −3.368 | <.05 |
