The prevalence of nonmotor symptoms among SWEDD patients

Reply to letter: Nonmotor symptoms in subjects without evidence of dopaminergic deficits

“…Schneider and Richard for raising awareness regarding an error that occurred in our original calculations of these scores attributed to failure of performing a reverse scoring for several items of the Geriatric Depression Scale and State-Trait Anxiety Inventory. 2 Upon recalculation, the cor-rected scores on the Geriatric Depression Scale and State-Trait Anxiety Inventory are now similar to those reported by other groups that have published analyses of the Parkinson's Progression Markers Initiative (PPMI) data. 3,4 We have now also recalculated the cutoffs of the State-Trait Anxiety Inventory with the same approach as used previously.…”