Table 4.
Studies | Radiological assessment | Gender-specific prosthesis mean ± SD (range) | Conventional prosthesis mean ± SD (range) | p-value |
---|---|---|---|---|
Kim et al. [29] | HKA (°) | 186.6 (182 to 187) | 186.3 (183 to 187) | 0.970 |
TS (°) | 7 (2 to 12) | 7.6 (1 to 14) | 0.492 | |
PCO (mm) | 0.3 (0 to 18) | −0.3 (−2 to 0) | 0.148 | |
PTA (°) | 3.8 ± 1.2 | 3.3 ± 1.7 | 0.919 | |
Radiolucent line | 11 (8.0%) | 12 (8.7%) | >0.05 | |
Overhang | 0 (0%) | 14 (10.1%) | <0.001 | |
Under-coverage | 123 (89%) | 44 (31.9%) | <0.001 | |
Kim et al. [30] | HKA (°) | 186.4 (181.5 to 188) | 185.8 (182 to 187) | 0.901 |
TS (°) | 7 (−2 to 14) | 7.6 (1 to 12) | 0.699 | |
PCO (mm) | 0.3 (0 to 1) | −0.5 (−2 to −1) | 0.151 | |
PTA (°) | 3.6 ± 1.6 | 3.8 ± 1.3 | 0.873 | |
Radiolucent line | 6 (7%) | 17 (8%) | 1.0 | |
Overhang | 0 (0%) | 10 (12%) | 0.0011 | |
Under-coverage | 71 (84%) | 24 (28%) | <0.001 | |
Song et al. [31] | HKA (°) | 185.96 ± 2.2 | 185.7 ± 2.1 | 0.54 |
TS (°) | 7.6 ± 3.1 | 6.2 ± 2.5 | 0.08 | |
PCO (mm) | 1.4 ± 3.2 | 0.7 ± 4.0 | 0.05 | |
ACO (mm) | 1.3 ± 2.9 | 0.2 ± 1.5 | 0.08 | |
PTA (°) | 6.0 ± 3.8 | 7.7 ± 4.4 | 0.83 |
HKA: hip-knee-ankle angle, TS: tibial slope, PCO: posterior condylar offset, PTA: patellar tilt angle, ACO: anterior condylar offset.