Efficacy and Safety of Chinese Herbal Formula Granules in Treating Chronic Kidney Disease Stage 3: A Multicenter, Randomized, Placebo-Controlled, Double-Blind Clinical Trial

Table 7

Analysis of the concentration change in serum creatinine pre- and post-treatment.

Variable	Treatment group	Control group	Statistics	value
Concentration change			−4.86 (grouped T′ test)	<0.0001
N (missing)	149 (1)	148 (2)
Mean ± SD (μmol/L)	−11.31 ± 15.02	3.74 ± 34.57
Median (μmol/L)	−13.15	0.48
Min-max (μmol/L)	−42.05–40.77	−96.73–320.82