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Table 3 The size effect of intervention: difference in eGFR decline rate between first and second period of study in treatment group vs control group

From: Efficacy of the Essential Amino Acids and Keto-Analogues on the CKD progression rate in real practice in Russia - city nephrology registry data for outpatient clinic

 

eGFR decline rate

Standardized effect size

 

First 5 visits

Second 5 visits

Bias corrected (Hedges)

Standard error of effect size estimate

Confidence interval for effect size

ml/min/1.73 m2 per year

Treatment group

−2.71 ± 2.38

−2.01 ± 2.26

0.30

0.15

0.02÷0.58

Control group

−2.18 ± 2.01

−2.04 ± 2.18

0.07

0.14

−0.22÷0.35

Difference

p = 0.10

p = 0.93

p < 0.001