Emergency hospital admissions for psychiatric disorders in a German-wide hospital network during the COVID-19 outbreak

Purpose Psychiatric emergency hospital admissions for distinct psychiatric disorders and length of inpatient stay in the hospital during the Coronavirus disease 2019 (COVID-19) outbreak have not been thoroughly assessed. Methods A retrospective study was performed analyzing claims data from a large German Hospital network during the COVID-19 outbreak (study period: March 13–May 21, 2020) as compared to periods directly before the outbreak (same year control: January 1–March 12, 2020) and one year earlier (previous year control: March 13–May 21, 2019). Results A total of 13,151 emergency hospital admissions for psychiatric diagnoses were included in the analysis. For all psychiatric diagnoses combined, emergency admissions significantly decreased during the study period with mean (interquartile range) incidence rate ratios (IRRs) of 0.68 (0.65, 0.71) and 0.70 (0.67, 0.73) as compared to the same and previous year controls, respectively (both p