| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10745170 | Parkinsonism & Related Disorders | 2014 | 5 Pages |
Abstract
Progression rates calculated from cross-sectional data not only overestimate actual progression, but also yield a different rank order. We also discuss potential explanations for the discrepancy between both methods and argue that the method of calculating progression rates in data from cross-sectional studies in PD should not be used.
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Authors
Johan Marinus, Jorine F. van der Heeden, Jacobus J. van Hilten,