Table 2 Measured preoperative radiographic parameters for the left and right knees and their mean differences for Groups I and II
Parameter | Group I | Group II | P value† | ||||
|---|---|---|---|---|---|---|---|
Asymmetrical femoral component | Symmetrical femoral component | ||||||
(n = 34) | (n = 35) | ||||||
Rt (mm) | Lt (mm) | Difference (Each patient) | Rt (mm) | Lt (mm) | Difference (Each patient) | ||
AP femoral canal diameter (A) | 28.69 ± 2.55 | 28.57 ± 2.62 | 0.50 ± 0.46 | 28.65 ± 2.35 | 28.74 ± 2.41 | 0.53 ± 0.41 | 0.78 |
AP femoral condyle diameter (B) | 64.34 ± 5.11 | 64.52 ± 4.62 | 2.11 ± 1.99 | 64.79 ± 4.67 | 65.06 ± 3.01 | 2.19 ± 1.69 | 0.87 |
Anterior femoral offset (C) | 7.05 ± 1.75 | 7.37 ± 1.71 | 1.21 ± 0.95 | 6.67 ± 1.77 | 6.90 ± 1.86 | 1.16 ± 1.19 | 0.84 |
Posterior femoral offset (D) | 27.19 ± 3.97 | 27.36 ± 4.14 | 2.14 ± 2.08 | 27.93 ± 4.30 | 27.57 ± 4.45 | 2.17 ± 2.31 | 0.95 |
ML femoral condyle diameter | 74.88 ± 6.66 | 74.82 ± 6.00 | 1.03 ± 1.58 | 75.42 ± 5.41 | 75.45 ± 5.53 | 0.75 ± 0.94 | 0.38 |