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Table 1 PICO (participants, intervention/exposure, comparison, outcomes, and study design) criteria for inclusion and exclusion of studies

From: The effect of apple cider vinegar on lipid profiles and glycemic parameters: a systematic review and meta-analysis of randomized clinical trials

Parameters Descriptions
Participants Adult
Intervention Apple cider vinegar supplementation
Comparison Any comparator/control that incorporated a nonintervention group
Outcomes lipid profile levels and glycemic indices
Setting Randomized controlled trials