Characteristics of the patients seen by supervised medical students and emergency department physicians.

P values were calculated using the Wilcoxon-test for numeric data and the Fisher's exact test for non-numeric data. Diagnostic accuracy: congruence between working diagnosis from the Emergency department and final diagnosis from the discharge letter. PCCL: patient comorbidity complexity level from the national Diagnosis related Group system. Expenditures on diagnostic procedures: calculated with the official national medical fee schedule for hospitals.