| BMI | Body mass index |
| OCM | Orthopädische Chirurgie München |
| DVT | Deep venous thrombosis |
| Hb | Hemoglobin |
| UKA | unicompartmental knee arthroplasty |
| LOS | Length of stay |
| NSAIDs | Nonsteroidal anti-inflammatory drugs |
| OR time | Operation time |
| THA | Total hip arthroplasty |
| TKA | Total knee arthroplasty |