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Table 4 Multiple regression model assessing the contribution of amyloid on change in Digit Symbol Substitution Test

From: Associations between cerebral amyloid and changes in cognitive function and falls risk in subcortical ischemic vascular cognitive impairment

Independent variables

R2

Adjusted R2

R2 change

Unstandardized B (Standard error)

Standardized β

P- value

Step 1

0.02

−0.08

0.02

  

0.79

Group

   

−1.55 (2.26)

−0.16

0.50

DSST baseline

   

−0.01 (0.17)

−0.01

0.96

Step 2

0.32

0.21

0.30a

  

0.01

Group

   

−2.45 (1.97)

−0.25

0.23

DSST baseline

   

−0.09 (0.15)

−0.12

0.56

PIB BPND

   

−12.31 (4.41)

−0.56

0.01

  1. DSST Digit Symbol Substitution Test baseline score
  2. aSignificant after FDR adjustment