Table 2.
Chronic Kidney Disease stages according to the National Kidney Foundation), using Cockroft Gault and Modification of Diet in Renal Disease Glomerular Filtration Rate estimations (N = 245¤)
| CKD stage | GFR estimation (ml/min/1.73 m2 if MDRD, ml/min if CG) |
MDRD estimation | CG estimation | ||
|---|---|---|---|---|---|
| N | % | N | % | ||
| 0 | ≥ 90, without urine dipstick abnormality | 133 | 54.3 | 131 | 53.4 |
| 1 | ≥ 90, with urine dipstick abnormality* | 74 | 30.2 | 65 | 26.5 |
| 2 | 60-89, with urine dipstick abnormality* | 33 | 13.5 | 37 | 15.1 |
| 3 | 30-59, with or without urine dipstick abnormality* | 5 | 2.0 | 12 | 4.9 |
| 4 | 15-29, with or without urine dipstick abnormality* | 0 | 0 | 0 | 0 |
| 5 | < 15, with or without urine dipstick abnormality* | 0 | 0 | 0 | 0 |
| Total | 245 | 100 | 245 | 100 | |
* urine dipstick abnormalities:
- Proteinuria ≥ 1+,
- Isolated hematuria or leukocyturia ≥ 2+
- Hematuria ≥ 1+ associated with leukocyturia ≥ 1+
CKD, Chronic Kidney Disease; GFR, Glomerular Filtration Rate; MDRD, Modification of Diet in Renal Disease; CG, Cockroft-Gault
¤ 245 assessable patients = 85 non CKD patients at baseline + 160 assessable patients at month 3