Table 3 Comparison of shortening between between three groups
Groups | Double-threaded Group(n = 49) | Single-threaded Group(n = 49) | Traditional Group (n = 49) | Test statistic | P-value | |
|---|---|---|---|---|---|---|
Cut-out | N (%) | 48 (98.0%) | 48 (98.0%) | 48 (98.0%) | 0 | 1.000 |
1 (2.0%) | 1 (2.0%) | 1 (2.0%) | ||||
Nonunion | N (%) | 48 (98.0%) | 49(100.0%) | 48 (98.0%) | 1.014 | 0.602 |
1 (2.0%) | 0(0%) | 1 (2.0%) | ||||
Avascular necrosis of the femoral head | N (%) | 47 (95.9%) | 47 (95.9%) | 46 (93.9%) | 0.300 | 0.861 |
2 (4.1%) | 2 (4.1%) | 3 (6.1%) | ||||
secondary total hip arthroplasty | N (%) | 48 (98.0%) | 47 (95.9%) | 48 (98.0%) | 0.541 | 0.773 |
1 (2.0%) | 2 (4.1%) | 1 (2.0%) | ||||