Diagnostic Validation for Participants in the Washington State Parkinson Disease Registry

Table 2

Reasons why diagnoses failed to validate.

	Assessed in-person	Data from previous study	Medical record review	Combined cohort
UKBB criteria
Fulfilled, (%)	71 (92.2)	20 (95.2)	8 (100)	99 (93.4)
Reasons for not fulfilling UKBB criteria
Early severe autonomic involvement	2^a	1	0	3^a
Neuroleptic treatment at onset	1	0	0	1
Babinski sign	1	0	0	1
<3 Step III supportive criteria	2	0	0	2

^aTwo of these patients met criteria for MSA-P.