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Chang and Yang investigated the possible risk factors of chronic kidney disease of undetermined aetiology (CKDu) in Taiwanese farmers with special reference to heat stress.1 The age-adjusted and sex-adjusted prevalence OR (95% CI) of farmers versus non-farmers for CKDu was 1.45 (1.10 to 1.90), and prevalence of dehydration in farmers was higher than that in non-farmers. They made an emphasis on thermal hazards for CKDu in farmers, and I present my queries about the study.
First, there is no difference in …
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Commissioned; internally peer reviewed.
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