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. 2024 Aug 7;22:321. doi: 10.1186/s12916-024-03543-4

Fig. 2.

Fig. 2

Associations between vitamin A metabolites from serum and stool and the Shannon diversity index (A and B) and the healthy eating index (C and D). Data shown. Circles show effect sizes in the TwinsUK and ZOE PREDICT 1 cohorts, diamonds are summary effect sizes derived from fixed effects meta-analysis (MA) combining both cohorts. Whiskers represent the 95% confidence intervals. Statistical significance is indicated by asterisks as follows: * p < 0.05; ** p < 0.01; *** p < 0.001; **** p < 0.0001