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Patient demographics. Values are mean (SD) unless otherwise specified
| Variable | Instrumentation | |
|---|---|---|
| Conventional n = 40 | PSPG n = 37 | |
| Sex (M/F) | 13/ 27 | 13/ 24 |
| Age | 63 (7) | 67 (8) |
| Weight (kg) | 89 (17) | 90 (13) |
| Height (cm) | 174 (10) | 173 (8) |
| BMI | 29.6 (5) | 30.0 (4) |
| ASA class, n | ||
| 1 | 3 | 3 |
| 2 | 32 | 30 |
| 3 | 5 | 4 |
| 4 | 0 | 0 |
| Baseline EQ-5D-VAS | 59 (21) | 64 (22) |
| Baseline NRS-11 | 5.8 (2.4) | 5.7 (2.8) |
| Baseline KOOS | ||
| Pain | 36 (19) | 45 (21) |
| Symptoms | 46 (19) | 52 (19) |
| Sport | 9 (12) | 14 (15) |
| ADL | 44 (16) | 49 (18) |
| Quality of life | 21 (17) | 27 (18) |
