highly significantp < 0.001
Results Hospital admission was determined in 81.2% of all ED patients ( n = 28,633); 54.7% of inpatients ( n = 15,652) and 0.97% of outpatient cases ( n = 64) met the criteria for multimorbidity and the age difference between them was highly significant (68.7/60.8 years; p < 0.001).