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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