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Table 3 Results of subgroup ana lysis of the included randomized controlled trials in meta-analysis of GCE on HOMA-IR

From: Effects of green coffee extract on fasting blood glucose, insulin concentration and homeostatic model assessment of insulin resistance (HOMA-IR): a systematic review and meta-analysis of interventional studies

Variables Dose
< 400 mg > 400 mg
HOMA-IR
No. of comparison 2 2
SMD 0.03 − 0.7
95% CI
 Lower − 0.3 − 1.13
 Higher 0.37 − 0.27
P value 0.844 0.002
I2 (%) 0.0% 0.0%
p-heterogeneity 0.375 0.882