Table 2. Patients' GFR Stages (n = 494).
GFR: glomerular filtration rate
| Characteristic | Values/Frequency | |
| Creatinine (mg/dL), mean ± SD | 0.93±0.41 | |
| Estimated GFR (mL/minute/1.73 m2), mean ± SD | 103.48±19.86 | |
| GFR Stage, n (%) | ≥90 mL/minute/1.73 m2 | 377 (76.32%) |
| 60-89 mL/minute/1.73 m2 | 107 (21.66%) | |
| 30-59 mL/minute/1.73 m2 | 7 (1.42%) | |
| 15-29 mL/minute/1.73 m2 | 0 (0.00%) | |
| <15 mL/minute/1.73 m2 | 3 (0.60%) | |