Renal function was assessed by the eGFR, estimated through the CKD-EPI equation, with one blood sample collection (22 (link)), and by MA, using the albumin-creatinine ratio (ACR) with a 12-h urine collection. We considered abnormal renal function as eGFR<60 mL·min-1·(1.73 m2)-1 and an abnormal MA as ≥30mg/dL (23 (link)). The kinetic Jaffé's method was used to measure urinary creatinine levels (Advia 1200 Siemens, USA), and the immunochemical assay was used to measure urinary albumin (BN II Nephelometer Siemens Dade Behring, USA). All analyses were performed at the University of Sao Paulo.
Silva GB J.u.n.i.o.r., Fraser S.D., Néri A.K., Xavier R.M., Mota R.M., Lopes A.A., Mill J.G., Barreto S.M., Luft V.C., Chor D., Santos C.A., Lotufo P.A, & Matos S.M. (2020). Association between dietary patterns and renal function in a cross-sectional study using baseline data from the ELSA-Brasil cohort. Brazilian Journal of Medical and Biological Research, 53(12), e10230.
Other organizations :
Universidade Federal da Bahia, Universidade de Fortaleza, Instituto de Saúde, University of Southampton, Universidade Federal do Ceará, Universidade Federal do Espírito Santo, Universidade Federal de Minas Gerais, Universidade Federal do Rio Grande do Sul, Escola Nacional de Saúde Pública, Departamento de Epidemiología, Fundação Oswaldo Cruz, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
Microalbuminuria (MA), using the albumin-creatinine ratio (ACR)
control variables
One blood sample collection
12-h urine collection
Kinetic Jaffé's method to measure urinary creatinine levels (Advia 1200 Siemens, USA)
Immunochemical assay to measure urinary albumin (BN II Nephelometer Siemens Dade Behring, USA)
All analyses performed at the University of Sao Paulo
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