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CKD is more prevalent in HFpEF compared to other HF phenotypes but has less prognostic impact on mortality, suggesting a 'bystander' role.
CKD was associated with similar covariates regardless of EF. Although CKD was more common in HFpEF than in HFmrEF and HFrEF, it may have more of a 'bystander' role in HFpEF, being less associated with mortality and with lower prognostic discrimination.
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Löfman et al. (2017) studied this question.
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