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Aim  To assess the aetiological factors of chronic kidney disease (CKD) and factors associated with disease progression.    Methods  Single‐centre retrospective study evaluating thorough electronic medical records of patients diagnosed with CKD at Peking University People's Hospital (April 2010‐April 2015). The objectives were to identify the aetiological factors of CKD in Chinese patients and risk factors associated with CKD progression.    Results  Of 15 425 CKD patients, 12 380 had aetiology recorded. The leading aetiologies associated with CKD were chronic glomerulonephritis (CGN; 36.8%), hypertensive nephropathy (HTN; 28.5%) and diabetic nephropathy (DN; 27.1%). CGN was most common in patients with early stage disease (stages 1‐2); DN and HTN were common in advanced‐stages (stages 3‐4). In a longitudinal subcohort of 2923 patients with ≥6‐month follow‐up, 19.6% experienced CKD progression. Patients with CKD progression were significantly older in age and had a greater number of comorbidities and laboratory anomalies, and were more likely to have DN (40.5%) and CGN (40.5%) than HTN (5.5%) at baseline than patients without progression. In a multivariate analysis, factors associated with disease progression included macro‐ and micro‐albuminuria, anaemia, hyperkalaemia, hyperphosphataemia, metabolic acidosis, CKD stage 4 and type 2 diabetes mellitus (T2DM).    Conclusion  This study identified CGN, DN and HTN as the leading aetiological factors for CKD in Chinese patients. DN was a strong predictor of faster disease progression, with albuminuria (a complication of T2DM) associated with highest risk for disease progression.

Aetiology of chronic kidney disease and risk factors for disease progression in Chinese subjects: A single‐centre retrospective study in Beijing