Fig. 3. Determining factors of the proportion of class C in the hospital. (A) Relationship between the proportion of class C cases and the number of PCIs performed in the hospital. (B) Relationship between the proportion of class C cases and the proportion of ACS cases in the hospital. The geographic region of the hospital is indicated as follows; Seoul as an open circle, Gyeonggi province as a gray circle, and other provinces as closed circles. PCI: percutaneous coronary intervention, ACS: acute coronary syndrome. Fig. 3. Determining factors of the proportion of class C in the hospital. (A) Relationship between the proportion of class C cases and the number of PCIs performed in the hospital. (B) Relationship between the proportion of class C cases and the proportion of ACS cases in the hospital. The geographic region of the hospital is indicated as follows; Seoul as an open… Korean Circ J. 2017 May;47(3):320-327. https://doi.org/10.4070/kcj.2017.0070