Figure 4.
Relationship between the TMAO concentration and the frailty risk stratified according to baseline characteristics. Bars represent 95% confidence intervals.
Abbreviations: BMI, body mass index; CHF, chronic heart failure; CI, confidence interval; eGFR, estimated glomerular filtration rate; hsCRP, high-sensitivity C-reactive protein; HFrEF, heart failure with reduced ejection fraction; HFmEF, heart failure with midrange ejection fraction; HFpEF, heart failure with preserved ejection fraction; OR, odds ratio; PAD, peripheral arterial disease.