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Hazard ratios of FGF‐23 for incident HF, HFrEF, and HFpEF using restricted cubic spline Cox model analysis: The Multiethnic Study of Atherosclerosis. CI indicates confidence interval; FGF‐23, fibroblast growth factor‐23; HF, heart failure; HFpEF, heart failure with preserved ejection fraction; HFrEF, heart failure with reduced ejection fraction.
