Fig. 2

The association between serum klotho level and UACR in the middle‑aged and elderly participants without diabetes mellitus (A) Each black point represents a sample. (B) The solid red line represents the smooth curve fit between klotho level and UACR level, and blue dotted lines represent the 95% confidence interval from the fit. Abbreviations UACR = urine albumin-to-creatinine ratio