To explore ANOVA analysis for the effects of garlic on blood pressure, we would first need detailed numerical data for each participant in the studies, including their blood pressure measurements at the start and end of the intervention for both the garlic and control groups. ANOVA is used to compare means across three or more groups, making it suitable for analyzing if there are significant differences in blood pressure changes among different studies or different conditions within a study.
Given the summarized nature of the data we currently have, we can't directly perform ANOVA. However, if detailed data were available, the process would involve organizing the data appropriately, checking for ANOVA assumptions (normality, homogeneity of variances), and then conducting the ANOVA test to see if there are statistically significant differences in blood pressure changes attributable to garlic supplementation.