Chronic kidney disease is categorized into 5 stages based on glomerular filtration rate.
Chronic kidney disease stage 1: glomerular filtration rate ≥90ml/(min-1.73m²).
Chronic kidney disease stage 2: glomerular filtration rate of 60-89ml/(min-1.73m²).
Chronic kidney disease stage 3: glomerular filtration rate of 30 to 59 ml/(min-1.73m²).
Chronic kidney disease stage 4: glomerular filtration rate of 15 to 29 ml/(min-1.73m²).
Chronic kidney disease stage 5: glomerular filtration rate is <15ml/(min-1.73m²).
Patients with chronic kidney disease are recommended to visit regular hospitals in time and standardize the treatment under the guidance of doctors.