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Differences in the local and national prevalences of chronic kidney disease based on annual health check program data

Clinical and Experimental Nephrology volume 16, pages 749–754 (2012)Cite this article

Abstract

Background

Chronic kidney disease (CKD) is now recognized as a global public health problem, and evaluating the prevalence of CKD at the local level is important and helpful for assessing health care needs and targeted interventions. To assess the current picture concerning CKD in a local area, local and national prevalences of CKD were compared by calculating standardized rate ratios (SRRs) and confidence intervals (CIs).

Methods

For the national prevalence of CKD, the data from a previous report that showed age- and sex-specific prevalence of each stage of CKD on the basis of a large dataset from the Japanese annual health check program were used. Using annual health check program data in Sado City, the SRRs and CIs were calculated.

Results

The SRRs were 0.70 for males and 0.60 for females, indicating that Sado City had a 30 % lower prevalence of CKD for males and a 40 % lower for females than the national average. The 95 % CIs of the SRRs were calculated as 0.64–0.72 for males and 0.55–0.64 for females. Thus, the prevalence of CKD for both males and females in Sado City is significantly lower than the national average for Japan.

Conclusions

Because this methodology adjusts for age and sex, it can serve as a useful tool to assess the current picture related to CKD in a local area. We believe that this could be an important step for improving local care to prevent the development of CKD.

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Acknowledgments

The authors would like to thank the citizens of Sado City and Sado City Hall for permission to use their data. This study was supported in part by a Grant-in-Aid for Project in Sado for Total Health (PROST) from the Ministry of Education, Culture, Sports, Science and Technology of Japan, and also a Grant-in-Aid for Progressive Renal Diseases Research, Research on intractable diseases, from the Ministry of Health, Labour and Welfare of Japan.

Conflict of interest

None.

Author information

Affiliations

  1. Center for Inter-organ Communication Research, Niigata University Graduate School of Medical and Dental Sciences, Asahimachi 1-757, Chuo-ku, Niigata, 951-8510, Japan

    Minako Wakasugi

  2. Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan

    Ichiei Narita

  3. Division of Blood Purification Therapy, Niigata University Medical and Dental Hospital, Niigata, Japan

    Junichiro James Kazama

Authors
  1. Minako Wakasugi
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  2. Junichiro James Kazama
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  3. Ichiei Narita
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Correspondence to Minako Wakasugi.

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Wakasugi, M., Kazama, J.J. & Narita, I. Differences in the local and national prevalences of chronic kidney disease based on annual health check program data. Clin Exp Nephrol 16, 749–754 (2012). https://doi.org/10.1007/s10157-012-0628-0

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  • DOI: https://doi.org/10.1007/s10157-012-0628-0

Keywords

  • Chronic kidney disease
  • Confidence intervals
  • General population
  • Local area level
  • Prevalence