High variability of albuminuria in nondiabetic population: The Takahata Study

Kazuko Suzuki, Tsuneo Konta, Satoshi Takasaki, Ami Ikeda, Kazunobu Ichikawa, Hitoshi Sato, Yoko Shibata, Tetsu Watanabe, Takeo Kato, Sumio Kawata, Isao Kubota

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


Background: Albuminuria is a risk factor for renal and cardiovascular events and shows a quick change reflecting vascular status. The aim of this study is to examine the frequency and related factors of the short-term change of albuminuria in nondiabetic Japanese population. Methods: The study subjects were 1,378 individuals (mean age 63.9 years) who attended community-based health checkup in 2004 and 2005 in Takahata town. Albuminuria was evaluated by urine albumin creatinine ratio in morning urine and was categorized into four stages (low normal, high normal, and micro- and macroalbuminuria). Results: At baseline, the prevalence of subjects with low normal, high normal, and micro- and macroalbuminuria was 62.3, 17.3, 18.7, and 1.7%, respectively. During 1 year, progression and remission of albuminuria stages were observed in 23.1 and 14.5% of total subjects, respectively. Both progression and remission of albuminuria were frequently detected at every stage, especially in high normal albuminuria (29% in progression and 39% in remission, respectively). On multivariate analysis, the changes of albuminuria were associated with older age, blood pressures, total protein, estimated glomerular filtration rate (GFR), and urine sodium excretion at baseline, start of antidiabetic drugs, changes in body weight (±1 kg), hemoglobin (±1 g/dl), and urine sodium excretion (±50 mEq/day). Conclusion: This study revealed that albuminuria showed high variability associated with age and small changes in modifiable risk factors during 1 year. In the treatment and risk analysis of subjects with albuminuria, the effect of these factors should be considered.

Original languageEnglish
Pages (from-to)452-459
Number of pages8
JournalClinical and experimental nephrology
Issue number5
Publication statusPublished - 2009 Oct
Externally publishedYes


  • Albuminuria
  • Body weight
  • Salt intake

ASJC Scopus subject areas

  • Physiology
  • Nephrology
  • Physiology (medical)


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