Clinical Study
Robot-Assisted Navigation versus Computer-Assisted Navigation in Primary Total Knee Arthroplasty: Efficiency and Accuracy
Table 1
Baseline characteristics, by navigation type.
| | Characteristic | No. (%) | | RAN | 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) |
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