Blink rate is associated with drug-induced parkinsonism in patients with severe mental illness, but does not meet requirements to serve as a clinical test: the Curacao extrapyramidal syndromes study XIII

Table 1 Drug-induced parkinsonism identified by the UPDRS as gold standard, based on blink rate

Parkinsonism
UPDRS	Blink rate no case^a	Blink rate case	Total
No case	216	347	563
Case	74	241	315
total	290	588	878
	Sensitivity: 77%, Specificity: 38%
	Positive predictive value 75%, Negative predictive value 41%

ISSN: 1477-5751