Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 4 The acceptable combined anteversions and acceptable reconstructions (all six criteria were matched) for every stem design stratified according to two classes of femoral anteversion; note that the differences between the groups were significant
Femoral anteversion | Stem design | Pearson’s chi-square test (p value) | |||||
|---|---|---|---|---|---|---|---|
Single wedge | Anatomical | Conical | |||||
Acceptable combined anteversion | Acceptable combined anteversion | Acceptable combined anteversion | |||||
Yes | No | Yes | No | Yes | No | ||
< 25° (74 cases) | 63 (85.1%) | 11 (14.9%) | 52 (70.3%) | 23 (29.7%) | 72 (97.3%) | 2 (2.7%) | < 0.0007 |
≥ 25° (126 cases) | 90 (71.4%) | 36 (28.6%) | 65 (51.6%) | 61 (48.4%) | 125 (99.2%) | 1 (0.8%) | < 0.0001 |
Acceptable reconstruction (all parameters) | Acceptable reconstruction (all parameters) | Acceptable reconstruction (all parameters) | Pearson’s chi-square test (p value) | ||||
|---|---|---|---|---|---|---|---|
Yes | No | Yes | No | Yes | No | ||
< 25° (74 cases) | 58 (78.4%) | 16 (21.6%) | 44 (59.5%) | 30 (40.5%) | 63 (85.1%) | 11 (14.9%) | 0.0096 |
≥ 25° (126 cases) | 80 (63.5%) | 46 (37.5%) | 43 (34.1%) | 83 (65.9%) | 111 (88.1%) | 15 (11.9%) | < 0.0001 |