Long- and Midterm Outcomes of Osteoarticular Infections in Paediatric Patients

Inclusion Criteria: * Patients who were previously admitted to the participating centres between January 2005 and November 2014 * Patients with an International Classification of Disease code (ICD-10) discharge code of acute osteomyelitis (M86.00-M86.99) and/or septic arthritis (M00.00-M00.99) Exclusion Criteria: * onset of symptoms \> 2 weeks before admission * history of penetrating wound or Prior surgery at affected limb * incorrect ICD-10 coding * chronic or severe underlying disease or Treatment at time of infection that possibly compromises the patient's immunologic Response (e.g. cancer, immunodeficiency, immunosuppressive therapy) * insufficient command of German language to understand patient Information and informed consent