Independent Validation of the SEND-PD and Correlation with the MDS-UPDRS Part IA

Table 1

Frequency* of neuropsychiatric symptoms assessed by the MDS-UPDRS part IA and SEND-PD.

	MDS-UPDRS IA	SEND-PD
Hallucinations/psychosis	52 (20%)	49 (18.8%)	0.82
Depression	158 (60.8%)	160 (61.5%)	0.92
Anxiety	114 (43.8%)	116 (44.6%)	0.92
Apathy	95 (36.5%)	86 (33.1%)	0.46
Dopamine dysregulation syndrome	9 (3.5%)	8 (3.1%)	0.81

Frequency of responses >0 for each item.