Table 1 Characteristics of patients undergoing RA TKA and conventional TKA groups
| Â | RA TKA | Conventional TKA | Significance |
|---|---|---|---|
Total | 53 | 83 | Â |
Patients | 52 | 80 | Â |
Knees | 53 | 83 | Â |
Gender | 19 (36%) | 30 (36%) | NS (> 0.99) |
Age (year ± SD) | 70.3 ± 8.6 | 70.5 ± 9.1 | NS (0.92) |
BMI (kg/m2 ± SD) | 31.8 ± 5.8 | 31.3 ± 6.3 | NS (0.58) |
Left side | 32 (60%) | 39 (47%) | NS (0.18) |
Pre-operative KL grade | Â | Â | NS (0.23) |
Grade 3 | 10 | 24 | Â |
Grade 4 | 43 | 59 | Â |
Pre-operative HKA (° ± SD) | -7.0° ± 7.2 | -4.1° ± 9.9 | NS (0.11) |