Research Article
Intelligent Systems Developed for the Early Detection of Chronic Kidney Disease
Table 1
Classification of CKD defined by KDOQI.
| Stage | State of kidney function | Classification by severity by GFR |
| 1 | Kidney damage with normal or increasing in GFR |
GFR 90
| 2 | Kidney damage with mild decreasing in GFR | GFR of 60–89 | 3 | Moderate with decreasing in GFR | GFR of 30–59 | 4 | Severe with decreasing in GFR | GFR of 15–29 | 5 | Kidney failure | GFR < 15 (or dialysis) |
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