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Demographics
| Parameter | Mean | Range | Std. Dev. |
| Age (yr) | 62.7 | 23-94 | 10.96 |
| Height (cm) | 169 | 127-206 | 11 |
| Body mass index (kg/m2) | 32.7 | 17.4-87.9 | 7.98 |
| Tourniquet time (min) | 59.7 | 0-120 | 12.62 |
| Estimated blood loss (mL) | 122.9 | 40-800 | 65.8 |
| Soft-tissue releases per knee | 1.1 | 0-5 | 1.02 |
