Psychometric validation of a patient-reported single-item assessment of 'Good Day Bad Day' in a neurogenic orthostatic hypotension population treated with droxidopa.
Clément FrançoisNicola GermainRenata MajewskaVanessa TaiebL Arthur HewittSteven KymesPublished in: Journal of market access & health policy (2022)
The Good Day Bad Day instrument provided good discrimination at baseline and over time and may aid in assessment of the effects of nOH symptoms on patients.