Table 3 Comparison of the incidence of femoral head necrosis, femoral neck nonunion, and shortening among the three groups
Groups | Femoral head necrosis (%) | Femoral neck nonunion (%) | Femoral neck shortening (%) | ||||
|---|---|---|---|---|---|---|---|
Yes | No | Yes | No | Mild | Moderate | severe | |
Anatomical reduction group (n = 82) | 11 (13.4) | 71 (86.6) | 3 (3.7) | 79 (96.3) | 3 | 2 | 1 |
Negative buttress group (n = 62) | 20 (32.2) | 42 (67.7) | 8 (12.9) | 54 (87.1) | 8 | 6 | 3 |
Positive buttress group (n = 78) | 12 (5.4) | 66 (84.6) | 2 (2.6) | 76 (97.4) | 2 | 2 | 2 |
P value | 0.006 | 0.02 | < 0.001 | ||||