Table 2.

Summary of the linear regression model predicting UPDRS score by model; Block 2 was entered in a stepwise manner.

Block	Variable	B	SE	β	t	p-value	Cumulative R2
LINEAR REGRESSION MODEL PREDICTING UPDRS BY TRACER UPTAKE IN THE CONTRALATERAL PUTAMEN
	Constant	15.04	3.36		4.47	<0.001
1	Duration of PD (months)	0.937	0.563	0.291	1.664	0.937
	Absorption level in contralateral putamen	−2.4	1.42	−0.27	−1.69	0.1	0.31 (p = 0.009)
2	rs6356 (carriership of A allele)	−4.72	1.86	−0.42	−2.53	0.01	0.45 (p = 0.002)