| DOAC | Direct oral anticoagulant |
| EHR | Electronic Health Record |
| PRBC | Packed red blood cell |
| HLOS | Hospital length of stay |
| ITT | Intention-to-treat |
| AO/OTA | Arbeitsgemeinschaft für Osteosynthesefragen/Orthopedic Trauma Association |
| eGFR | Estimated Glomerular Filtration Rate |
| Hb | Hemoglobin |
| Ht | Hematocrit |
| BMI | Body Mass Index |
| SNAQ | Short Nutritional Assessment Questionnaire |
| CFS | Clinical Frailty Scale |
| CCI | Charlson Comorbidity Index |
| ASA | American Society of Anesthesiologists |
| ADL | Activities of Daily Living |
| GDPR | General Data Protection Regulation |
| WMO | Dutch Medical Research Involving Human Subjects Act (Wet medisch-wetenschappelijk onderzoek met mensen) |
| RECORD | Reporting of studies conducted using observational routinely collected data |
| STROBE | Strengthening the reporting of observational studies in epidemiology |
| MEC-U | Medical Ethics Committee United |