Efficacy and Safety of Kleeb Bua Daeng Formula in Mild Cognitive Impairment Patients: A Phase I Randomized, Double-Blind, Placebo-Controlled Trial

Table 6

Mean difference level of serum creatinine between KBD and placebo groups.

Study month	Mean difference of serum creatinine (95% confidence interval)	value
Month 1	−0.04 (−0.17, 0.09)	0.522
Month 2	0 (−0.13, 0.13)	0.996
Month 3	−0.041 (−0.17, 0.09)	0.530

The multilevel mixed-effect linear regression model was used in analyzing mean difference.