Table 1 Demographic characterization of the cohort. Fisher’s exact test and Kruskal–Wallis’s test were used for categorical and continuous variables, respectively.

From: Gut microbiota distinguishes aging hispanics with Alzheimer’s disease: associations with cognitive impairment and severity

 

Alzheimer (n = 50)

Control (n = 50)

True (N = 100)

P value

Gender

   

0.8264

F

35 (70.0%)

36 (72.0%)

71 (71.0%)

 

M

15 (30.0%)

14 (28.0%)

29 (29.0%)

 

Age range

   

1.20E-05

55–65

3 (6.0%)

16 (32.0%)

19 (19.0%)

 

66–76

19 (38.0%)

27 (54.0%)

46 (46.0%)

 

 > 77

28 (56.0%)

7 (14.0%)

35 (35.0%)

 

Education

   

0.0002382

 < 12

9 (18.0%)

0 (0.0%)

9 (9.0%)

 

12

12 (24.0%)

4 (8.0%)

16 (16.0%)

 

  > 12

29 (58.0%)

46 (92.0%)

75 (75.0%)

 

B12

   

0.4061

Mean (SD)

885 (534)

668 (424)

795 (500)

 

Median

[Min, Max]

777

[242, 2470]

454

[165, 1660]

624

[165, 2470]

 

Missing

12 (24.0%)

23 (46.0%)

35 (35.0%)

 

BMI range

   

0.01469

Normal (< 25)

18 (36.0%)

12 (24.0%)

30 (30.0%)

 

Overweight (25–29.9)

21 (42.0%)

13 (26.0%)

34 (34.0%)

 

Obese (≥ 30)

11 (22.0%)

25 (50.0%)

36 (36.0%)

 

CDR range

   

2.2E-16

No Dementia (0)

4 (8.0%)

49 (98.0%)

53 (53.0%)

 

Very Mild Dementia (0.5)

14 (28.0%)

1 (2.0%)

15 (15.0%)

 

Moderate to Severe Dementia (1–3)

32 (64.0%)

0 (0.0%)

32 (32.0%)

 

MoCA range

   

8.28E-09

Normal Cognition (26—30)

0 (0%)

6 (12.0%)

6 (6.0%)

 

Mild cognitive impairment (18–25)

13 (26.0%)

36 (72.0%)

49 (49.0%)

 

Moderate cognitive impairment (10–17)

15 (30.0%)

8 (16.0%)

23 (23.0%)

 

Severe cognitive impairment (≤ 9)

22 (44.0%)

0 (0.0%)

22 (22.0%)

 

APOE Genotype

   

0.51

E2E3

4 (8.0%)

2 (4.0%)

6 (6.0%)

 

E3E3

27 (54.0%)

34 (68.0%)

61 (61.0%)

 

E3E4

17 (34.0%)

13 (26.0%)

30 (30.0%)

 

E4E4

2 (4.0%)

1 (2.0%)

3 (3.0%)