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Erschienen in:
01.06.2014 | Original Article
Prevalence and risk factor analysis of nephrosclerosis and ischemic nephropathy in the Japanese general population
Erschienen in: Clinical and Experimental Nephrology | Ausgabe 3/2014
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Background
Nephrosclerosis/ischemic nephropathy (NS/IN) ranks third among renal diseases requiring dialysis in Japan. Although it is an important renal disease in terms of frequency, its prevalence, new incidence, and risk factors are not fully elucidated.
Methods
We analyzed the prevalence, incidence, concurrent diseases, and risk factors of NS/IN by using data from specific health checkups of Kumamoto citizens between 2008 and 2010.
Results
Although the prevalence of NS/IN was 1−2 % in people in their 40s, it increased sharply with age, reaching 17.6 % in people aged 70–74 years. The incidence of new NS/IN was 0.4−0.5 % per year. In multivariate logistic regression analysis, factors such as age, male gender, body mass index (BMI), hyperuricemia, hypertension, and dyslipidemia correlated with NS/IN. When risk factors associated with NS/IN progress were evaluated by multivariate logistic regression analysis, four factors—male gender, hypertension, BMI, and current smoking—significantly correlated.
Conclusion
The analysis of Kumamoto citizens aged 40–74 years receiving specific health checkups showed that in addition to hypertension and age that were considered important, male gender and obesity are also risk factors for NS/IS independent from hypertension.