Characteristics of included prospective studies in this meta-analysis for dietary GI, GL and risk of CHD.

Abbreviation: GI, glycemic index; GL, glycemic load; FFQ, food frequency questionnaire; BMI, body mass index.
*Study’s quality assessment was performed by review of study design, including inclusion and exclusion criteria, assessment of exposure, assessment of outcome, control of confounding, and evidence of bias. Each of the 5 quality criteria was evaluated and scored on an integer scale (0 or 1, with 1 being better) and summed; quality scores from 0 to 3 were considered lower and 4 to 5 higher quality.