Table 2 Comparison of ARCO stage III (group A) and ARCO stage IV (group B) intraoperative information and clinical outcomes
Variables | Group A (n = 383) | Group B (n = 493) | p value |
|---|---|---|---|
Intraoperative information | |||
Operation time (min) | 66.71 ± 6.72 | 71.59 ± 8.24 | < 0.01* |
Blood loss (ml) | 239.92 ± 54.41 | 265.35 ± 47.76 | < 0.01* |
Intraoperative transfusion, n (%) | 25 (6.5%) | 48 (9.7%) | 0.088 |
Clinical outcomes | |||
Time for ambulation (days) | 1.41 ± 0.66 | 1.44 ± 0.69 | 0.466 |
LOS (days) | 14.61 ± 4.72 | 15.38 ± 5.08 | 0.058 |
One-year mortality, n (%) | 4 (1.0%) | 6 (1.2%) | 0.538 |
One-year Readmissions, n (%) | 11 (2.9%) | 30 (6.1%) | 0.026* |
Complications, n (%) | |||
One-year, n (%) | 19 (5.0%) | 42 (8.5%) | 0.040* |
Three-year, n (%) | 32 (8.4%) | 55 (11.2%) | 0.169 |
Five-year, n (%) | 37 (9.7%) | 61 (12.4%) | 0.206 |
Overall revision, n (%) | 14 (9.7%) | 30 (12.4%) | 0.102 |