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A Summary Score for the Framingham Heart Study Neuropsychological Battery
Brian Downer1, David W Fardo2, Frederick A Schmitt2
1University of Texas Medical Branch, Galveston, USA brdowner@utmb.edu.
Objective:
To calculate three summary scores of the Framingham Heart Study neuropsychological battery and determine which score best differentiates between subjects classified as having normal cognition, test-based impaired learning and memory, test-based multidomain impairment, and dementia.
Method:
The final sample included 2,503 participants. Three summary scores were assessed: (a) composite score that provided equal weight to each subtest, (b) composite score that provided equal weight to each cognitive domain assessed by the neuropsychological battery, and (c) abbreviated score comprised of subtests for learning and memory. Receiver operating characteristic analysis was used to determine which summary score best differentiated between the four cognitive states.
Results:
The summary score that provided equal weight to each subtest best differentiated between the four cognitive states.
Discussion:
A summary score that provides equal weight to each subtest is an efficient way to utilize all of the cognitive data collected by a neuropsychological battery.
