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Table 1 Sample characteristics

From: Topographic patterns of white matter hyperintensities are associated with multimodal neuroimaging biomarkers of Alzheimer’s disease

Variable

All

OC

SCD

MCI

AD

p

n = 155

n = 51

n = 28

n = 51

n = 25

Age, years

69.9 (7.8)

70.8 (6.4)

67.1 (7.4)

73.3 (7.2)

68 (10.2)

.002a,d,f

Sex, n females (%)

86 (55.5)

24 (47.1)

17 (60.7)

29 (56.9)

16 (64)

.466

Education, years

11.9 (3.7)

12.2 (3.8)

13.4 (3.5)

11 (3.6)

11.6 (3.3)

.045d

ApoE, allele 4 carriers (%)#

49 (33.6)

10 (19.6)

3 (11.1)

21 (44.7)

15 (71.4)

< .001b,c,d,e,f

MMSE, /30#

26.7 (3.8)

28.7 (1.2)

29 (1.1)

26.7 (1.9)

20 (4.5)

< .001b,c,d,e,f

Systolic blood pressure, mmHg#

142.4 (21.5)

145.2 (20.8)

135.3 (22.6)

145 (23.4)

138.4 (16.2)

.171

Diastolic blood pressure, mmHg#

80.1 (12.4)

82.6 (12.4)

78.5 (12.4)

79.1 (13.3)

78.7 (10.2)

.401

AV45-PET SUVR in AD meta-signature#

1.28 (.25)

1.13 (.13)

1.14 (.14)

1.36 (.25)

1.53 (.25)

< .001b,c,d,e,f

FDG-PET SUVR in AD meta-signature#

1.38 (.13)

1.45 (.08)

1.47 (.1)

1.34 (.09)

1.24 (.16)

< .001b,c,d,e,f

GMV in AD meta-signature, mL

7.81 (1.03)

8.29 (.68)

8.31 (.68)

7.32 (1.07)

7.24 (1.15)

< .001b,c,d,e

WMH volume, mL

10.14 (11.24)

6.34 (6.9)

8.21 (9.65)

12.98 (15.07)

14.27 (13.52)

.005b,c,e

  1. OC older controls, SCD participants with subjective cognitive decline, MCI patients with mild cognitive impairment, AD patients with Alzheimer’s disease, ApoE apolipoprotein E, MMSE Mini-Mental State Examination, AV45 florbetapir, FDG fluorodeoxyglucose, GMV gray matter volume, WMH white matter hyperintensities, mmHg millimeter of mercury, mL milliliter
  2. Results are presented as mean (standard deviation) for continuous variables. Percentage of females and percentage of allele 4 carriers are also reported for sex and ApoE, respectively. Significant differences at p < .05 between aOC and SCD, bOC and MCI, cOC and AD, dSCD and MCI, eSCD and AD, and fMCI and AD. #Missing data for OC/SCD/MCI/AD participants: ApoE, 0/1/4/4; MMSE, 0/0/0/1; blood pressure measures, 3/4/1/0; AV45-PET, 7/2/2/2; FDG-PET, 1/1/1/1