Table 1 Demographic characteristics

From: Structural signature of plasma proteins classifies the status of Alzheimer’s disease

 

Healthy individuals (n = 227)

MCI (n = 135)

AD (n = 158)

Age (years)

74.0 (6.7)

74.0 (6.9)

73.8 (9.4)

Sex (male/female)

99/128

73/62

82/76

BMI (kg m2)

27.3 (4.7)

27.7 (4.9)

27.1 (6.0)

40 mean (pg ml−1)

11,066

10,382

9,241

25th–75th percentiles

8,230–13,705

7,310–12,238

7,130–11,166

42 mean (pg ml−1)

786.60

709.40

415.50

25th–75th percentiles

550–985

422–910

286–503

p-tau181 mean (pg ml−1)

49.09

61.33

105.70

25th–75th percentiles

30.55–59.55

30.5–92.8

57.6–125.2

T-tau mean (pg ml−1)

345.50

437.10

772.00

25th–75th percentiles

223–442

219–642

347–917

Ratio (Aβ42/Aβ40) mean

0.07

0.07

0.05

25th–75th percentiles

0.049–0.093

0.049–0.0931

0.0383–0.0567

APOE genotype (1/2/3/4/5)a

50/31/16/2/0

29/26/1/8/1

32/35/6/17/2

Hypertension (absent/present)

64/33

32/39

44/47

Hypercholesterolemia (absent/present)

36/61

21/50

27/64

MMSE

29.0 (1.1)

26.5 (2.6)

22.4 (4.9)

CDRSUM

0.1 (0.4)

1.7 (0.8)

5.5 (3.2)

  1. aAPOE genotype: 1 = ε3/ε3, 2 = ε3/ε4, 3 = ε3/ε2, 4 = ε4/ε4, 5 = ε4/ε2.
  2. The numbers in parentheses are the s.d.