Table 1.
Baseline demographics for SI group (156 knees) and PMCB group (150 knees)
| Variables | SI Group | PMCB Group |
|---|---|---|
| Mean age, years (range; SD) | 65.0 (41–93; 9.2) | 66.1 (26–88; 8.8) |
| Mean weight, kg (range; SD) | 85.9 (51–134; 17.9) | 92.6 (69–116; 13.7) |
| Mean height, cm (range; SD) | 168 (148–194; 9.3) | 171 (149–186; 8.8) |
| Mean BMI (range; SD) | 30.3 (20.2-42.1; 5.3) | 31.7 (25.6-44.2; 4.6) |
| Gender (n, %) | ||
| Male | 79 (50.6 %) | 95 (63.3 %) |
| Female | 77 (49.4 %) | 55 (36.7 %) |
| Operated side (n, %) | ||
| Left | 83 (53.8 %) | 68 (43 %) |
| Right | 73 (46.2 %) | 91 (57 %) |
| Diagnosis (n, %) | ||
| Varus OA | 127 (81.4 %) | 114 (71.7 %) |
| Valgus OA | 16 (10.3 %) | 20 (12.6 %) |
| Posttraumatic OA | 9 (5.8 %) | 15 (9.4 %) |
| Patellofemoral OA | 4 (2.6 %) | 10 (6.3 %) |
| Operative time, minutes (range; SD) | 51.1 (38–76; 7.2) | 50.9 (35–90; 10.0) |