Table 2 Creatinine clearance (CrCl), CrCl/iGFR, classified by quintiles of iothalamate-125 glomerular filtration rate (iGFR) (N = 1342)
Quintiles of iGFR (ml/s/1.73 m2) | iGFR (ml/min/1.73 m2), median (IQR) | CrCl (ml/min/1.73 m2), median (IQR) | CrCl/iGFR, median (IQR) |
|---|---|---|---|
1 (N = 269) | 24.8 (20.8—27.4) | 31.7 (25.3—39.3) | 1.33 (1.06—1.62) |
2 (N = 268) | 35.7 (33.0—38.5) | 42.4 (33.6—51.4) | 1.20 (0.94—1.47) |
3 (N = 269) | 45.7 (43.3—48.0) | 52.5 (41.2—61.3) | 1.14 (0.92—1.33) |
4 (N = 268) | 56.3 (53.1—59.8) | 61.9 (50.1—73.1) | 1.10 (0.87—1.28) |
5 (N = 268) | 74.7 (68.4—84.9) | 81.9 (65.0—96.6) | 1.05 (0.86—1.22) |