Table 1 Patient demographics and utilization rate of UKA 2021–2023
Surgical system | Â | Conventional | Robotic | P-value | |
|---|---|---|---|---|---|
Patient Data | Â | Mako | Cori/Navio | ||
Female: male ratio |  | 59:41 | 59:41 | 52:48 |  < 0.001†|
Mean age (range) |  | 69.1 (44–87) | 68.6 (49–82) | 68.9 (57–89) | 0.664 |
Number of cases (n, %) | Unilateral (n = 991) | 803 (81.0%) | 139 (14.0%) | 49 (4.9%) |  |
Bilateral (n = 264) | 205 (77.7%) | 43 (16.3%) | 16 (6.1%) |  | |
Total number of involved compartments (n, %), Total = 1519 |  | 1213 (79.9%) | 225 (14.8%) | 81 (5.3%) |  |
Compartment involvement | Medial (n, %) | 1211 (99.8%) | 219 (97.3%) | 78 (96.3%) | Â |
Lateral (n, %) | 1 (0.1%) | 6 (2.7%) | 3 (3.7%) | Â | |
Patellofemoral (n, %) | 1 (0.1% | 0 (0) | 0 (0) | Â | |
Preoperative baseline comorbidities (n, %) | |||||
Hypertension | Â | 208 (20.6) | 32 (17.6) | 10 (15.4) | 0.410 |
Diabetes mellitus |  | 115 (11.4) | 10 (5.5) | 4 (6.2) | 0.029†|
Hyperlipdemia | Â | 148 (14.7) | 30 (16.5) | 12 (18.5) | 0.613 |
Obesity (BMI > 25) |  | 406 (40.3) | 70 (38.5) | 25 (38.5) | 0.126 |
Chronic kidney disease (CKD) | Â | 19 (1.9) | 2 (1.1) | 0 (0) | 0.418 |
Operative diagnosis (n, % within group) | |||||
Unilateral | Primary OA | 795 (99.0%) | 137 (98.6%) | 48 (98.0%) | Â |
Secondary OA | 1(0.1%) | 1 (0.7%) | 0 (0) | Â | |
Osteonecrosis of knee | 7 (0.9%) | 1(0.7%) | 1 (2.0%) | Â | |
Bilateral | Primary OA | 204 (99.5%) | 43 (100%) | 16 (100%) | Â |
Secondary OA | 0 (0) | 0 (0) | 0 (0) | Â | |
Osteonecrosis of knee | 1(0.5%) | 0 (0) | 0 (0) | Â | |