Skip to main content

Table 1 Comparison of the non-ADAPT and ADAPT subpopulations.a

From: High Serum Aβ and Vascular Risk Factors in First-Degree Relatives of Alzheimer’s Disease Patients

 

Non-ADAPT subjects (n = 98)

ADAPT subpopulation subjects (n = 197)

P-value

n (%)

   

Female (%)

54 (55)

91 (47)

0.17

White (%)

96 (98)

193 (98)

0.68

Diabetes (%)

8 (8)

19 (10)

0.74

Hypertension (%)

55 (57)

122 (62)

0.39

Hypercholesterolemia (%)

38 (39)

103 (52)

0.03

APOE ε4 allele (%)

27 (28)

63 (32)

0.44

Mean ± SD

   

Age (years)

75.2 ± 8.21

76.8 ±3.93

0.07

Serum Aβ1–40 (pg/mL)b

132.6 ±49.65

146.3 ±54.59

0.13

Median [IQR]

   

Serum Aβ1–42 (pg/mL)

4.9 [2.9,9.1]

12.0 [5.0,22.9]

P < 0.001

Serum Aβ1–42/Aβ1–40

0.04 [0.02,0.07]

0.08 [0.05,0.15]

P < 0.001

  1. a1–40 below detection limit for 9 individuals and Aβ1–42 below detection limit for 18 individuals.
  2. bDifferences in Aβ1–40 between the two groups are corrected for age.