Serotonin Transporter Availability in Early Stage Parkinson’s Disease and Multiple System Atrophy

Table 3

Independent predictors of diagnosis.

	Constant	Midbrain-to-; striatum ratio	Disease duration; at imaging
𝛽	−3.161	7.285	−2.614
𝑃-value	0.020	0.070	0.237

𝛽: logistic regression coefficient.