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Table 5 Convergent /discriminant validity: Spearman correlations between ADCS-ADL-MCI scores and other ADC-008 trial instruments at baseline/month 36

From: Psychometric properties of the Alzheimer’s Disease Cooperative Study – Activities of Daily Living for Mild Cognitive Impairment (ADCS-MCI-ADL) scale: a post hoc analysis of the ADCS ADC-008 trial

Instrument

Baseline

Month 36

r (p-value)

CDR-SB Total Score

-0.33 (< .0001)

-0.77 (< .0001)

CDR Cognitive Domain Score

-0.27 (< .0001)

-0.74 (< .0001)

CDR Functional Domain Score

-0.27 (< .0001)

-0.76 (< .0001)

CDR Home and Hobbies Domain

-0.19 (< .0001)

-0.71 (< .0001)

CDR Community Affairs Domain

-0.26 (< .0001)

-0.74 (< .0001)

CDR Personal Care Domain

-0.10 ( 0.0055)

-0.52 (< .0001)

CDR Memory Domain

-0.17 (< .0001)

-0.72 (< .0001)

CDR Judgment and Problem Solving Domain

-0.11 ( 0.0015)

-0.65 (< .0001)

CDR Orientation Domain

-0.26 (< .0001)

-0.69 (< .0001)

ADAS-Cog Total Score

-0.24 (< .0001)

-0.65 (< .0001)

MMSE Total Score

0.2 (< .0001)

0.64 (< .0001)

GDS

-0.19 (< .0001)

-0.73 (< .0001)

BDI

-0.23 (< .0001)

-0.51 (< .0001)

Qol-AD-Informant Total Score

0.19 (< .0001)

0.46 (< .0001)

NYU Delayed Paragraph Recall Test

0.25 (< .0001)

0.56 (< .0001)

Symbol Digit Modalities Test

0.24 (< .0001)

0.52 (< .0001)