Table 1.
Pre-operative patient characteristics
| OMNIbot | MAKO | P value | |
|---|---|---|---|
| Age, mean ± STD (range) | 70 ± 9 (41-91) | 67 ± 8 (44-87) | 0.001* |
| Side Left:Right (% right) | 145:153 (51%) | 89:118 (57%) | 0.2 |
| Gender, Male:female (% male) | 163:135 (55%) | 104:103 (50%) | 0.3 |
| Pre-op coronal, mean ± STD (range) | 3.2° ± 5.3° varus (18 valgus – 18 varus) | 4.1° ± 6.6° varus (15 valgus to 15 varus) | 0.06 |
| Pre-op sagittal, mean ± STD (range) | 6.6° ± 6.6° flexion (34° flexion – 12° extension) | 6.5° ± 8.1° flexion (64 flexion – 10 extension) | 0.8 |
| BMI, Mean ± STD (range) | 31 ± 6 (22–42) | 32 ± 9 (20–56) | 0.4 |
| Tourniquet, mean ± STD (range) | 56 ± 13 min (34 – 120) | 61 ± 15 min (42–91) | 0.08 |
| Pre-op max Flexion ROM, mean ± STD (range) | 114° ± 13 (80–135) | 110° ± 20 (80–130) | 0.2 |
*p<0.05 compared using independent t-tests