Table 1.
Characteristics of the study subjects.
Table 2.
Basic diseases of included subjects.
Table 3.
Reference intervals of serum cystatin C in young and old subjects.
Table 4.
Influencing coefficients of factors on Scys-C and Scr.
Figure 1.
Relationship between rGFR and serum CysC or Scr stratified by age and progression of CKD (Scys-C, serum cystatin C, Scr, serum creatinine, rGFR, reference glomerular filtration rate).
Table 5.
Correlation coefficients of Scys-C or Scr and rGFR.