Table 1.
Baseline Characteristics of Patients according to an eGFR Cutoff of 60 mL/min/1.73 m2
| Characteristic | Hospital | eGFR (full range) | eGFR ≥60 mL/min/1.73 m2 | eGFR <60 mL/min/1.73 m2 |
|---|---|---|---|---|
| No. of prescription | Total | 67,964,996 | 51,655,751 | 16,309,245 |
| A | 22,511,187 | 17,315,379 | 5,195,808 | |
| B | 17,655,782 | 13,932,457 | 3,723,325 | |
| C | 11,094,455 | 8,365,640 | 2,728,815 | |
| D | 10,850,119 | 7,653,373 | 3,196,746 | |
| E | 5,853,453 | 4,388,902 | 1,464,551 | |
| Age, yr | Total | 64.8±11.8 | 62.8±11.3 | 71.3±10.7 |
| A | 65.5±11.3 | 64.0±10.8 | 70.5±11.3 | |
| B | 65.1±11.9 | 63.2±11.5 | 72.5±10.3 | |
| C | 62.2±12.1 | 59.9±11.5 | 69.5±10.8 | |
| D | 66.3±11.5 | 63.7±11.2 | 72.3±10.0 | |
| E | 63.7±12.1 | 60.9±11.3 | 72.2±10.3 | |
| Male sex | Total | 38,755,334 (57.0) | 29,869,216 (57.8) | 8,886,118 (54.5) |
| A | 12,695,313 (56.4) | 9,765,385 (56.4) | 2,929,928 (56.4) | |
| B | 10,299,374 (58.3) | 8,143,578 (58.5) | 2,155,796 (57.9) | |
| C | 6,618,576 (59.7) | 5,213,013 (62.3) | 1,405,563 (51.5) | |
| D | 5,913,047 (54.5) | 4,215,385 (55.1) | 1,697,662 (53.1) | |
| E | 3,229,024 (55.2) | 2,531,855 (57.7) | 697,169 (47.6) | |
| eGFR, CKD-EPI, mL/min/1.73 m2 | Total | 75.3±24.5 | 86.4±14.1 | 40.1±16.1 |
| A | 75.2±24.5 | 86.0±13.7 | 39.2±17.3 | |
| B | 78.5±25.5 | 89.2±14.3 | 38.5±16.8 | |
| C | 75.2±24.0 | 86.0±14.6 | 41.8±14.5 | |
| D | 71.6±24.3 | 84.4±13.5 | 40.7±15.0 | |
| E | 72.8±21.7 | 82.8±13.1 | 43.0±13.6 |
Values are expressed as mean±standard deviation or number (%). Hospitals A, B, C, D, and E are Ajou University Hospital, Ewha Womans University Mokdong Hospital, Korea University Anam Hospital, Seoul National University Hospital, and Seoul National University Bundang Hospital, in an arbitrary order.
eGFR, estimated glomerular filtration rate; CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration.