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Table 2 SCD-Q and cognitive scores by SCD group

From: Brain and cognitive correlates of subjective cognitive decline-plus features in a population-based cohort

  Non-SCD group SCD– group SCD+ group
N 2098 319 253
SCD-Q MyCog 4.35 (4.06) 10.39 (5.66)* 14.04 (5.41)*,**
SCD-Q TheirCog 2.78 (2.44) 4.02 (4.03)* 6.39 (5.25)*,**
MBT-TPR 24.29 (4.26) 23.89 (4.48) 22.52 (4.98)*,**
MBT-TFR 16.74 (4.93) 16.36 (4.90) 14.51 (5.11)*,**
MBT-TDFR 17.14 (3.02) 16.68 (5.42) 14.67 (5.23)*,**
MBT-TDPR 24.11 (4.41) 23.75 (4.62) 22.23 (5.17)*,**
WAIS—Coding 66.67 (14.6) 65.63 (14.91) 59.64 (13.90)*
WAIS—Visual Puzzles 13.55 (4.30) 12.90 (4.12) 12.26 (3.90)
WAIS—Digit Span Total 24.93 (5.11) 24.66 (5.33) 23.86 (5.58)
WAIS—Matrix Reasoning 16.77 (4.35) 16.31 (4. 51) 15.41 (4.48)
WAIS—Similarities 22.34 (4.64) 21.67 (4.80) 21.74 (4.73)
  1. Data presented as mean (standard deviation)
  2. SCD-Q Subjective Cognitive Decline Questionnaire, SCD subjective cognitive decline, non-SCD not self-reporting cognitive decline, SCD– SCD with ≤ 3 SCDplus features, SCD+ SCD with > 3 SCDplus features, SCDplus subjective cognitive decline plus, MyCog questions to participant, TheirCog questions to informant, MBT Memory Binding Test, TPR total paired recall, TFR total free recall, TDFR total delayed free recall, TDPR total delayed paired recall, WAIS Wechsler Adult Intelligence Scale, APOE apolipoprotein E
  3. *p < 0.05 as compared to non-SCD
  4. **p < 0.05 as compared to SCD–. Analysis of variance and post-hoc Tukey test for SCD-Q; pairwise (Least Significant Difference) analysis of covariance with age, education, sex, number of APOE ε4 alleles, anxiety, and depression as covariates for cognitive outcomes