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MediumNephrologyChronic kidney disease stagingca-mccqe1ca-rcpsc-im

A 59-year-old man with long-standing hypertension is found to have an eGFR of 52 mL/min/1.73 m² on two occasions 4 months apart and a urine albumin-to-creatinine ratio (ACR) of 45 mg/mmol. He has no haematuria or structural abnormalities on ultrasound. According to the KDIGO 2024 guideline, how should his chronic kidney disease be staged?

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