Chronic kidney disease stage 1 is defined as a glomerular filtration rate (GFR) ≥90 ml/(min-1.73m²) and a normal or elevated GFR.
Chronic kidney disease is defined as the presence of markers of kidney damage lasting more than 3 months or a GFR below 60 ml/(min-1.73m²) lasting more than 3 months. Signs of kidney damage include abnormal renal pathology, abnormal renal imaging, abnormal urinalysis, and abnormal blood tests related to kidney disease. Chronic kidney disease is categorized into five stages.
Chronic kidney disease stage 1 GFR is normal or elevated, GFR ≥ 90ml/(min-1.73m²), prevention and treatment goals and measures include diagnosis and treatment of the causes of chronic kidney disease, relief of symptoms; protection of renal function, and delaying the progression of chronic kidney disease.
Patients with chronic kidney disease stage 1 should go to the hospital in time and receive timely treatment under the guidance of specialized physicians.