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Table 1 Characteristics of the included study

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

Author Country Year Participant (n) In/P Mean age (year) In/P Total dose (mg) Study duration (week) Study population Study design Outcome
Zuniga [10] Mexico 2018 15/15 43/45 1200 12 IGT RCT FBS
Roshan 5] Iran 2018 21/22 52.76/51.95 800 8 MS RCT FBS, insulin, HOMA-IR
Shahmohammadi [14] Iran 2017 22/22 41.36/44.50 1000 8 NAFLD RCT FBS, insulin, HOMA-IR
Soga [15] Japan 2013 18/18 36.1/36.1 329 4 Healthy Crossover FBS
Wong [17] Australia 2014 37/37 58.5/58.5 100 12 BP Crossover FBS, insulin, HOMA-IR
Haidari [16] Iran 2017 30/34 36.1/35.7 400 8 Obesity RCT FBS, insulin, HOMA-IR
  1. In intervention group, P Placebo group, RCT randomize clinical trial, IGT impaired glucose tolerance, MS metabolic syndrome, NAFLD non-alcoholic fatty liver disease, BP blood pressure, FBS fasting blood glucose, HOMA-IR homeostatic model assessment of insulin resistance