Component alignment | |
 Mean standing FTA (SD), degree | 176 (2.8) |
 Mean DFVA (SD), degree | 98 (2.4) |
 Mean PTVA (SD), degree | 89 (1.9) |
 Mean FFA (SD), degree | 2.5 (2.1) |
 Mean TS (SD), degree | 87 (1.6) |
Mechanical alignment | n (%) |
 Neutral (HKA angle = 0°) | 12 (9.8) |
 Varus (HKA angle≧1°) | 88 (72.1) |
 Valgus (HKA angle≦ − 1°) | 22 (18.0) |
 Within HKA angle ±3° | 74 (60.7) |
 Mean HKA angle (SD), degree | 2.3 (3.6) |
Periprosthetic bone reaction | n (%) |
Radiolucent lines (≧1 mm) | |
 femur | 5 (4.1) |
 tibia | 0 |
Osteolysis | 0 |
Subsidence | 0 |
Heterotopic ossification | 1 (0.8) |