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) | 30.1 (24.0—37.3) | 1.26 (1.01—1.54) |
2 (N = 268) | 35.7 (33.0—38.5) | 40.3 (32.0—48.8) | 1.14 (0.89—1.40) |
3 (N = 269) | 45.7 (43.3—48.0) | 49.8 (39.1—58.2) | 1.09 (0.88—1.26) |
4 (N = 268) | 56.3 (53.1—59.8) | 58.8 (47.6—69.4) | 1.04 (0.83—1.22) |
5 (N = 268) | 74.7 (68.4—84.9) | 77.8 (61.8—91.8) | 1.00 (0.82—1.16) |