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Table 4 Characteristics of participants in Dataset 4

From: Prediction of P-tau/Aβ42 in the cerebrospinal fluid with blood microRNAs in Alzheimer’s disease

Characteristic

Total Sample

(n = 503)

Controls

(n = 139)

AD

(n =155)

aMCI

(n =55)

VaD

(n =51)

PDD

(n =53)

bvFTD

(n =53)

DLB

(n =52)

Age, median (25th–75th percentile)

67 (63–72)

67 (65–73)

68 (63–73)

67 (64–70)

67 (63–70)

68 (64–73)

66 (62–70)

66 (62–70)

Education year, median (25th–75th percentile)

9 (8–11)

10 (9–11)

9 (8–10)

10 (8–12)

10 (8–11)

9 (8–10)

10.0 (9–11)

9.0 (7–11)

Women, No. (%)

255 (50.7)

71 (51.1)

79 (51.0)

28 (50.1)

24 (47.1)

26 (49.1)

28 (52.8)

27 (51.9)

ApoE ε4 positive (%)

133 (26.4)

25 (18.0)

64 (41.3)*

15 (27.3)

13 (25.5)*

10 (18.9)

11 (20.8)

10 (19.2)

MMSE score (SD)

23.4 (4.5)

29.1 (0.57)

20.8 (3.2)*

26.4 (0.6)

21.5 (2.9)*

21.0 (3.2)*

21.9 (3.0)*

21.8 (3.6)*

Aβ42, mean (SD), pg/ml

581.2 (184.7)

683.5 (135)

371.6 (80.7)*

507.3 (134.1)*

705 (108.5)

700.6 (127.6)

678.8 (141.5)

667.6 (142.4)

T-tau, mean (SD), pg/ml

449.2 (166.6)

340.1 (93.6)

595.6 (187.1)

474.3 (130.9)

395.5 (91.6)

359.2 (107.8)

448.6 (110.7)

422.6 (113.4)

P-tau, mean (SD), pg/ml

63.2 (31.5)

50.1 (19.5)

90.6 (37.7)*

65.6 (21.8)*

48.9 (17.7)

49 (13.5)

53 (22.6)

53.2 (25.1)

  1. The values of age, education year, and MMSE are shown as mean (SD)
  2. Abbreviations: AD, Alzheimer’s disease; VaD, vascular dementia; PDD, Parkinson disease dementia; bvFTD, behavioral variant frontotemporal dementia; DLB, dementia with Lewy body; ApoE ε4, apolipoprotein ε4; MMSE, Mini-Mental State Examination; SD, standard deviation
  3. *P < 0.05 compared to controls