Table 4:

ANOVA comparing slope and intercept of BrainAGE versus timea

ComparisonSlope Analysis (P Value) (Cohen's d)Intercept Analysis (P Value) (Cohen's d)
NC vs sMCI.66 (0.43).77 (0.30)
NC vs cMCI.02 (2.29).29 (0.26)
NC vs AD.16 (1.42)<.01 (8.65)
sMCI vs cMCI.04 (3.00).50 (0.18)
sMCI vs AD.06 (1.90)<.01 (9.03)
cMCI vs AD.69 (0.42)<.01 (7.02)
  • a Cohen's d is the effect size.