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Table 2 Spearman correlations of cognitive domains and summary scores with age and IQ

From: Adaptation of the Clinical Dementia Rating Scale for adults with Down syndrome

Domains and summary scores

CDR-QDS (n = 34)

CDR-IDS (n = 22)

Age

IQ (n = 20)

Age

IQ (n = 20)

Memory

0.11

− 0.35

0.21

− 0.32

Orientation

0.37

− 0.47

0.13

− 0.27

Judgment and problem solving

0.40

− 0.42

0.31

− 0.36

Community affairs

0.35

− 0.62

0.38

− 0.30

Home and hobbies

0.36

− 0.49

0.13

− 0.41

Personal care

0.37

− 0.49

0.39

− 0.54

CDR-QDS summary/CDR-IDS sum of boxes

0.11

− 0.45

0.16

− 0.52

CDR-IDS global score

n/a

0.10

− 0.46

  1. Statistically significant correlations (p < 0.05) are in italics