Table 1 Demographic characteristics of the study cohort.

From: Visual impairment in aging and cognitive decline: experience in a Memory Clinic

n

Whole cohort

SCD

MCI

Dementia

p

1746

229

684

866

Age, mean (SD)

76.7 ± 9.2

66.7 ± 7.7

74.2 ± 8.01

81.4 ± 7.2

<0.001*

Females, n (%)

1149 (65.8%)

149 (65.1%)

422 (61.7%)

579 (69.4%)

0.01*

Years of education, mean (SD)

7.2 (4.4)

11.69 (3.7)

7.27 (4.1)

5.9 (3.9)

<0.001*

MMSE, mean (range)

22.9 (0–30)

29.2 (25–30)

26.0 (16–30)

18.7 (0–30)

<0.001*

  1. Statistical significance was set up at p < 0.05. A Chi-Square test was used to compare gender differences among groups. 1-factor ANOVA was used to compare age, years of education and MMSE scores differences among groups.
  2. MCI = mild cognitive impairment; MMSE = Mini-Mental State Examination; OCT = optical coherence tomography; SCD = subjective cognitive decline; SD = standard deviation.
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