Fig. 4

Conversion of Aβ and p-tau exposed MCI groups to dementia in OR. The squares and bars represent the mean values and 95% CIs of the effect sizes, and the squares’ area reflects the weight of the studies. Diamonds represent the combined effects, and the vertical dotted line represents the line of no association. A Aβ and p-tau expositions in OR; B sub-group analysis of comparisons between the A+T+ and A+T- groups; C sub-group analysis of comparisons between the A+T- and A-T+ groups