The patient concentration effect of superior general hospitals are led by ‘Big 5 Hospitals’

While the patient concentration effect of superior general hospitals is led by so-called Big 5 Hospitals, which are university hospitals in Seoul, average out-of-area market share of the Big 5 Hospitals were 50.7% in the number of treated patients, 52.2% in the number of inpatients and 61.2% in medical expenses; thus, it is known that more than a half of their patients were from other areas.