Percentage difference/change in cognition scores with age based on cross-sectional (difference) and longitudinal (change) analysis.
- Marilyn C. Cornelis (174871)
- Yamin Wang (365764)
- Thomas Holland (6475538)
- Puja Agarwal (6475541)
- Sandra Weintraub (4176673)
- Martha Clare Morris (6475544)
Publication date
March 2019
DOI Publisher
Public Library of Science (PLoS)Abstract
To allow comparison across cognitive tests, cognitive difference (cross-sectional) or change (longitudinal) are expressed as a percentage difference/change as a function of the range of each test (See Analyses). Negative % difference/change in FI and SDS represents a lower/decline in performance. Positive % difference/change in Pairs, RT, Trail A and Trail B represents a lower/decline in performance. With increasing age category, Pairs, RT, Trail A, Trail B and SDS significantly changed by 5.9, 2.6, 6.0, 7.8 and 3.4% according to cross-sectional analysis. With increasing age category, Pairs, and RT significantly declined by 1.2 and 3.0% according to longitudinal analysis.</p
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