Table 1 shows demographic data between gradually reducing radius (GR) versus multi-radius (MR) TKA groups
GR TKA (n = 30) | MR TKA (n = 30) | P-value | |
|---|---|---|---|
Age (y) | 67 (59–82) | 69 (61–86) | |
Gender | |||
Male | 9 (30%) | 11 (36.67%) | |
Female | 21 (70%) | 19 (63.33%) | |
Body mass index (kg/m2) | 25.76 ± 3.47 | 26.33 ± 3.74 | |
Preop ROM | |||
Extension (degrees) | 9.83 ± 4.64 | 7.5 ± 5.37 | |
Flexion (degrees) | 77.17 ± 8.48 | 82.67 ± 8.78 | |
Range of motion (degrees) | 67.33 ± 10.56 | 75.17 ± 12.76 | |
ASA | |||
1 | 1 (3.33%) | 1 (3.33%) | |
2 | 27 (90%) | 27 (90%) | |
3 | 2 (6.67%) | 2 (6.67%) | |
4 | 0 | 0 | |
Radiographic evaluation | |||
Preop HKA (95% CI) | 168 ± 5 (164–171) | 168 ± 6 (164–171) | 0.8 |
Postop HKA (95% CI) | 176 ± 3 (174–177) | 175 ± 3 (173–177) | 0.38 |
mLDFA (95% CI) | 91 ± 3 (89–93) | 91 ± 3 (88–93) | 0.8 |
mMPTA (95% CI) | 88 ± 2 (87–90) | 87 ± 2 (86–88) | 0.1 |
TSA (95% CI) | 7 ± 1 (6–8) | 7 ± 1 (6–8) | 0.77 |