THA after fixation failure (n = 105) | Primary THA (n = 210) | p value | |
---|---|---|---|
Operative time (minute) | 132.5 (51.4) | 87.6 (34.3) | < 0.001* |
Hemoglobin level | |||
Preoperative | 12.5 (1.8) | 12.8 (1.9) | 0.159 |
Postoperative | 10.3 (1.4) | 11.1 (1.6) | < 0.001* |
Drop in hemoglobin level | 2.2 (1.4) | 1.7 (1.2) | 0.002* |
Blood transfusion | 14 (13.3%) | 24 (11.4%) | 0.625 |
Amount of blood transfusion (unit) | 0.63 (3.1) | 0.52 (2.9) | 0.754 |
Postoperative day to ambulate | 2.1 (0.9) | 1.7 (1.0) | 0.001* |
Length of stay (day) | 7.3 (1.3) | 7.1 (2.3) | 0.429 |