Table 5.

Nigrostriatal and extra-craneal LRP assessment.

Region	Dem-AD-LB vs. PD-AD	Dem-AD-LB vs. PD	PD vs. PD-AD)
	(p-value)	(p-value)	(p-value
Lumbar spinal cord	0.0001	<0.0001	1.0
Vagus nerve	0.027	0.002	1.0
Submandibular gland	0.0002	0.0002	0.53
Esophagus	<0.0001	<0.0001	0.54

Region	Clusters 3 & 4 Dem-AD-LB vs Cluster 5 PD/PD-AD	Clusters 1 & 2 Dem-AD-LB vs Clusters 3 & 4 Dem-AD-LB	Clusters 1 & 2 Dem-AD-LB vs Clusters 1 & 2 PD/PD-AD
	(p-value)	(p-value)	(p-value)
Lumbar spinal cord	0.0008	<0.0001	0.46
Vagus nerve	0.007	0.0007	0.37
Submandibular gland	0.027	0.011	0.019
Esophagus	0.0008	0.0002	0.005

Uncorrected for multiple comparisons.