Fig. 1
From: Updated reference intervals for serum cystatin C and creatinine based on age and sex variations
Flowchart of participant selection. RIs for UA, urea, ALT, and AST are presented in Supplementary Table 1. Abbreviations: ALT, alanine aminotransferase; AST, aspartate aminotransferase; UA, uric acid; HbA1c, glycated hemoglobin; HDL, high-density lipoprotein; LDL, low-density lipoprotein; Glu, glucose.
