Table 1 Case definitions
Indication | Main definition / ICD-10-GM codes / OPS codes | Further inclusion criteria |
|---|---|---|
Stroke | Main diagnosis: I60, I61, I63, or I64 | Age > 19 years |
Myocardial infarction | Main diagnosis: I21 or I22 | Age > 19 years |
Colorectal resection | OPS codes: 5–455, 5–456, 5–484, 5–485 | ICD-10-GM: C18-C20 |
Ventilation > 24 h | Ventilation for more than 24 h (both invasive and non-invasive) | Age > 27 days |
COPD | Main diagnosis: J44 | Age > 19 years, no tumor (C00 – C97, D00 – D09) |
Pneumonia | Main diagnosis: A48.1, J10.0, J11.0, or J12 – J18 | Age > 19 years, no tumor (C00 – C97, D00 – D09), no mucoviscidosis (E84, U69.00), no transfer from other hospital |