We have read with great interest the article published by Wang et al. on the clinical risk score to predict mortality in Chinese patients hospitalized for heart failure (HF). The authors developed a scale with five variables to predict mortality from HF after hospital discharge within one year: age, female sex, New York Heart Association (NYHA) score >3, left atrial diameter, and body mass index; with good predictive ability. One limitation of the study is the design of random division […]