| AAR | Austrian Azacitidine Registry |
| AE | Adverse event |
| AGMT | Arbeitsgemeinschaft Medikamentöse Tumortherapie |
| AHRQ | Agency for Healthcare Research and Quality |
| AML | Acute myeloid leukaemia |
| ANC | Absolute neutrophil count |
| AZA | Azacitidine |
| BM | Bone marrow |
| BSC | Best supportive care |
| CI | Confidence interval |
| CMML | Chronic myelomonocytic leukaemia |
| CR | Complete response |
| CRi | Morphologic CR with incomplete blood count recovery |
| ECOG-PS | Eastern Cooperative Oncology Group Performance Status |
| eCRF | Electronic case report form |
| EFS | Event-free survival |
| EMA | European Medicines Agency |
| HSCT | Hematopoietic stem cell transplantation |
| Hb | Haemoglobin |
| HR | Hazards ratio |
| IWG | International Working Group |
| KM | Kaplan–Meier |
| MDS | Myelodysplastic syndromes |
| MPN | Myeloproliferative neoplasm |
| MRC | Myelodysplasia-related changes |
| NCCN | National Comprehensive Cancer Network |
| NOS | Not otherwise specified |
| ORR | Overall response rate |
| OS | Overall survival |
| PLT | Platelet |
| PR | Partial response |
| pts | Patients |
| RBC | Red blood cell |
| RCA | Recurrent cytogenetic abnormalities |
| RFS | Relapse-free survival |
| SD | Standard deviation |
| t-AML | Therapy-related AML |
| TD | Transfusion dependence |
| TEAE | Treatment-emergent adverse event |
| TI | Transfusion independence |
| vs. | Versus |
| WBC | White blood cell |
| WHO | World Health Organisation |