Table 2 A&B:
A) Discovery Cohort | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Models with covariates* | df | β RMT | %βRMT† | Adj.R2model | partial R2covar‡ | pmodel | pRMT | pcovar | Corrected pmodel | Corrected pRMT | Corrected pcovar |
RMT & Age | 2,19 | −0.73 | −4.29 | 0.46 | 0.03 | < 0.001 | < 0.001 | 0.446 | < 0.001 | < 0.001 | 1.000 |
RMT & Gender | 2,19 | −0.67 | 4.29 | 0.51 | 0.11 | < 0.001 | < 0.001 | 0.140 | < 0.001 | < 0.001 | 0.700 |
RMT & Hand-dominance | 2,18 | −0.7 | 0 | 0.43 | 0.00 | 0.001 | 0.001 | 0.960 | 0.002 | 0.003 | 1.000 |
RMT & ApoE- ε4 | 2,9 | −0.68 | 2.86 | 0.34 | 0.31 | 0.022 | 0.022 | 0.924 | 0.022 | 0.022 | 1.000 |
RMT & AD Medication Status | 2,18 | −0.69 | 1.43 | 0.48 | 0.06 | < 0.001 | < 0.001 | 0.301 | < 0.001 | < 0.001 | 1.000 |
RMT & SCD | 2,19 | −0.83 | −18.57 | 0.58 | 0.25 | < 0.001 | < 0.001 | 0.022 | < 0.001 | < 0.001 | 0.154 |
RMT & left motor cortex CT | 2,19 | −0.62 | 11.43 | 0.54 | 0.17 | < 0.001 | 0.001 | 0.060 | < 0.001 | 0.003 | 0.360 |
B) Validation Cohort | |||||||||||
RMT & Age | 2,125 | −0.35 | 0 | 0.13 | 0.02 | < 0.001 | < 0.001 | 0.095 | < 0.001 | < 0.001 | 0.190 |
RMT & Gender | 2,126 | −0.35 | 0 | 0.11 | 0.00 | < 0.001 | < 0.001 | 0.829 | < 0.001 | < 0.001 | 0.829 |
RMT & AD Medication Status | 2,126 | −0.36 | −2.86 | 0.13 | 0.03 | < 0.001 | < 0.001 | 0.048 | < 0.001 | < 0.001 | 0.144 |
Covariables were used in separate models to check their individual influence on the relationship.
%Δβ > 10 is the tolerance threshold for influence.
Partial R2covar measures the additional covariance explained by each factor.