Table 3.
Radiographical measurement of preoperative and postoperative index indicating lower limb alignment, prosthesis azimuths and anatomical reconstruction of the knee in this study, mean (SD)
| Variables | Phase |
CM-TKA
(n=16) |
RA-TKA
(n=17) |
P value |
| HKA (°) | P.E. | 175.0 (5.1) | 175.2 (3.2) | 0.888 |
| P.O. | 177.8 (1.7) | 179.1 (0.5) | 0.010 | |
| FFCA (°) | P.O. | 90.8 (2.4) | 89.7 (2.2) | 0.168 |
| LDFA (°) | P.E. | 88.8 (4.4) | 88.3 (2.9) | 0.685 |
| FTCA (°) | P.O. | 88.9 (1.3) | 90.1 (1.4) | 0.019 |
| MPTA (°) | P.E. | 86.6 (2.9) | 86.3 (2.4) | 0.763 |
| PTS (°) | P.E. | 7.4 (2.4) | 8.7 (3.3) | 0.382 |
| P.O. | 4.4 (1.6) | 4.5 (1.4) | 0.870 | |
| LFCA (°) | P.O. | 71.0 (2.9) | 70.4 (1.8) | 0.526 |
| LTCA (°) | P.O. | 91.2 (2.6) | 88.8 (3.4) | 0.034 |
| FFA (°) | P.O. | 7.4 (4.0) | 6.7 (2.5) | 0.558 |
| ISI | P.E. | 0.98 (0.1) | 0.99 (0.1) | 0.788 |
| P.O. | 1.0 (0.1) | 1.00 (0.1) | 0.991 | |
| PCO (mm) | P.E. | 26.8 (3.6) | 25.7 (3.8) | 0.362 |
| P.O. | 28.1 (2.6) | 28.2 (2.8) | 0.901 | |
| PFO (mm) | P.E. | 17.3 (1.0) | 16.8 (0.7) | 0.108 |
| P.O. | 18.9 (1.2) | 18.4 (0.9) | 0.142 | |
| JLH (mm) | P.E. | 32.2 (4.2) | 32.1 (4.2) | 0.924 |
| P.O. | 34.9 (3.5) | 34.9 (3.9) | 0.891 |
P.E. preoperatively, P.O. postoperatively, FFCA frontal femoral component angle, FTCA frontal tibia component angle, LTCA lateral tibia component angle, MPTA medial proximal tibial angle, PTS posterior tibial slope, HKA hip–knee–ankle angle, LDFA lateral distal femoral angle, PCO posterior condylar offset, PFO patelofemoral offset, FFA femoral flexion angle, ISI Insall-Salvalti index, JLH joint line height, LFCA lateral femoral component angle