Fig. 2

The association between serum klotho and mortality. The KM survival curve of the study populations based on the klotho group: A all-cause mortality and B cardiovascular mortality; the RCS with cox regression models on the klotho levels: C all-cause mortality and D cardiovascular mortality, adjusting for gender, age, race, education level, marital status, PIR, cotinine, drinking, hypertension, diabetes, BMI, physical activity, eGFR, 25-hydroxyvitamin D, and study cycle