Table 5.

Multiple regression model assessing the contribution of amyloid on change in Physiological Profile Assessment

Independent variables	R2	Adjusted R2	R2 change	Unstandardized B (Standard error)	Standardized β	P- value
Step 1	0.45	0.39	0.45			<0.01
Group				−0.45 (0.32)	−0.24	0.17
PPA baseline				0.49 (0.13)	0.62	<0.01
Step 2	0.58	0.51	0.13a			0.03
Group				−0.56 (0.29)	−0.30	0.07
PPA baseline				0.39 (0.13)	0.50	0.01
PIB BPND				−1.60 (0.67)	−0.39	0.03

PPA Physiological Profile Assessment baseline score

^aSignificant after FDR adjustment