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Environmental factors influencing the survival of chronic dialysis patients

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Abstract

Background

There have been few investigations into the effects of environmental factors on the outcome of end-stage renal disease.

Methods

We investigated factors influencing the survival of dialysis patients in each prefecture of Japan by analyzing data from the Japan Statistics Bureau and Japanese Society for Dialysis Therapy using univariate and multivariate regression analysis.

Results

Univariate analysis showed that the number of dialysis specialists (p = 0.028, r = 0.319), the density of dialysis centers (the number in relation to the area of each prefecture, p = 0.018, r = 0.344), the average annual temperature (p < 0.0001, r = 0.686), and the mortality rate of the general population with cerebrovascular disease (p = 0.014, r = −0.355) were correlated with the 1-year survival of new dialysis patients from 2005 to 2007. Multivariate regression analysis showed that the average annual temperatures were extracted as determinants of the 1-year survival rate of new dialysis patients (p < 0.0001, F = 40.11, R 2 = 0.471, R 2′ = 0.460).

Conclusion

The average annual temperatures could have an influence on the survival of dialysis patients. Survival of new dialysis patients by prefecture in Japan may be influenced by environmental factors that cannot be controlled medically after the initiation of dialysis.

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Acknowledgments

The use of information from Refs. [6–9] was permitted by the Standing Committee Responsible for Statistics and Investigation of the Japanese Society for Dialysis Therapy. Interpretation and reporting of this information are the responsibility of the authors and not the Society.

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Authors and Affiliations

  1. Department of Internal Medicine, Sanyo Hospital, 2-8-2 Nogami-cho, Fukuyama, 720-0815, Japan

    Satoshi Ogata

  2. Department of Advanced Nephrology, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan

    Noriaki Yorioka

Authors
  1. Satoshi Ogata
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  2. Noriaki Yorioka
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Correspondence to Satoshi Ogata.

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Ogata, S., Yorioka, N. Environmental factors influencing the survival of chronic dialysis patients. Clin Exp Nephrol 15, 405–409 (2011). https://doi.org/10.1007/s10157-010-0400-2

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  • DOI: https://doi.org/10.1007/s10157-010-0400-2

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