Table 1.
Baseline characteristics, by navigation type.
| Characteristic | No. (%) | |
|---|---|---|
| RAN (n = 52) | CAN (n = 29) | |
| Sex | ||
| Men | 21 (40) | 10 (34) |
| Women | 31 (60) | 19 (66) |
| Race | ||
| White | 52 (100) | 29 (100) |
| BMI—kg/m2 (SD) | 33.5 (7.9) | 30.2 (6.3) |
| Age, mean (SD) | 66.1 (9.8) | 68.3 (9.6) |
| Preoperative diagnosis | ||
| Osteoarthritis | 44 (85) | 28 (97) |
| Post-traumatic arthritis | 7 (13) | 1 (3) |
| Rheumatoid arthritis | 2 (4) | 0 (0) |
| Comorbidities | ||
| Diabetes mellitus | 9 (21) | 4 (14) |
| Essential hypertension | 40 (77) | 20 (69) |
| Past medical history | ||
| Deep vein thrombosis | 5 (10) | 0 (0) |
| Pulmonary emboli | 1 (2) | 0 (0) |
| Stroke | 1 (2) | 1 (3) |
| Hx of smoking | 11 (21) | 5 (17) |
| Cardiovascular disease | 13 (25) | 13 (45) |
| Right knee | 25 (48) | 16 (55) |
| Left knee | 27 (52) | 13 (45) |
| Prereplacement malalignment (SD) | 4.8 (2.9) | 4.9 (3.3) |
| Prereplacement max extension (SD) | 1.1 (4.0) | 3.3 (3.5) |