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. 2020 Nov 20;17(4):574–583. doi: 10.1002/alz.12214

TABLE 2.

Total sample sizes to detect treatment effects (25% and 40% reductions in score change) in sample of 26 MCI and AD‐dementia participants with complete longitudinal cognitive data for UDS subtests

Measure n 25% 40%
UDS measures
UDS3‐EF 26 728 286
TMT A 26 9016 3524
TMT B 26 1966 770
Digit span backward 26 1988 778
F‐words 26 1822 714
L‐words 26 4994 1952
Animal fluency 26 34680 13548
Vegetable fluency 26 3654 1428
Common measures
CDR Sum of Boxes 24 4640 1814
MoCA 25 4222 1650
MMSE 20 13296 5196

Note: We also present commonly used outcome measures, when available (ns 20 to 25), to provide an independent reference against which to illustrate the power of the UDS3‐EF for tracking longitudinal change.

Abbreviations: AD‐dementia; Alzheimer's disease dementia; CDR, Clinical Dementia Rating Scale; MCI, mild cognitive impairment; MMSE, Mini‐Mental State Examination; MoCA, Montreal Cognitive Assessment; TMT, Trail Making Test; UDS3‐EF, Uniform Data Set v3.0 Executive Function composite score.