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Table 1 Demographics and baseline characteristics of the patients

From: The impact of subthreshold levels of amyloid deposition on conversion to dementia in patients with amyloid-negative amnestic mild cognitive impairment

 

Non-converter (n = 64)

Converter (n = 39)

Age of onset (years)*

73.0 ± 6.8

76.0 ± 0.0

Age at diagnosis (years)

72.0 ± 8.8

74.6 ± 6.7

Duration from onset to diagnosis (months)

32.0 ± 29.5

27.6 ± 21.3

Education (months)

10.2 ± 5.7

9.2 ± 5.5

Sex (female)*

32 (50.0%)

11 (28.2%)

Vascular risk factor

  

 Diabetes

20 (31.3%)

13 (33.3%)

 HTN

36 (56.3%)

24 (61.5%)

ApoE genotype (carrier, %)

11 (20.0%)

7 (14.2%)

Global cognition test

  

 MMSE*

26.3 ± 3.7

23.5 ± 4.1

 CDR Sum of Box*

1.4 ± 0.7

2.4 ± 1.2

 30-GDS

13.6 ± 8.3

12.8 ± 6.4

  1. The Student t-test was performed on normally distributed data. For continuous variables that did not show normal distributions, the Kruskal-Wallis test was performed. Group differences in dichotomous variables were evaluated using the χ2 test
  2. HTN, hypertension; MMSE, Mini-Mental State Examination; CDR, Clinical Dementia Rating; 30-GDS, 30-item Geriatric Depression Scale
  3. *P < 0.05
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Alzheimer's Research & Therapy

ISSN: 1758-9193