Low serum creatine kinase

1. Low serum creatine kinase predicts hospitalization for heart failure in humans (HR 2.20, 95% CI 1.22–3.96).

   “Low CK (hazard ratio [95% confidential interval]: 2.20 [1.22–3.96]; p<0.01) was an independent predictor of the incidence of hospitalization for HF”

   Humansin obese patients with atrial fibrillation

   Association of Serum Creatine Kinase with Incidence of Hospitalization for Heart Failure in Japanese Obese Patients with Atrial Fibrillation: The Fushimi AF Registry

   AHA Scientific Sessions 2025 abstract·3 Nov 2025

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