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Table 3 APOE Genotype at baseline by sex

From: Exploring sex differences in Alzheimer’s disease: a comprehensive analysis of a large patient cohort from a memory unit

 

Male

Female

p-value (Fisher)

p-value (adjusted†)

All individuals

n = 1,163

n = 2,875

  

 APOE genotype

  

0.34

0.63

 APOE e4-

675 (58.0%)

1,760 (61.2%)

  

  e2e2

1 (0.1%)

8 (0.3%)

  

  e2e3

56 (4.8%)

165 (5.7%)

  

  e3e3

618 (53.1%)

1,587 (55.2%)

  

 APOE e4+

488 (42.0%)

1,115 (38.8%)

0.07

0.15

  e2e4

15 (1.3%)

42 (1.5%)

  

  e3e4

413 (35.5%)

943 (32.8%)

  

  e4e4

60 (5.2%)

130 (4.5%)

  

Age ≤ 70 yrs

n = 131

n = 269

  

 APOE genotype

  

0.23

0.09

  APOE e4-

63 (48.1%)

127 (47.2%)

  

  e2e2

-

-

  

  e2e3

7 (5.3%)

5 (1.9%)

  

  e3e3

56 (42.7%)

122 (45.4%)

  

 APOE e4+

68 (51.9%)

142 (52.8%)

0.92

0.18

  e2e4

3 (2.3%)

4 (1.5%)

  

  e3e4

47 (35.9%)

110 (40.9%)

  

  e4e4

18 (13.7%)

28 (10.4%)

  

Age > 70 yrs

n = 1,032

n = 2,606

  

 APOE genotype

  

0.21

0.54

 APOE e4-

612 (59.3%)

1,633 (62.7%)

  

  e2e2

1 (0.1%)

8 (0.3%)

  

  e2e3

49 (4.7%)

160 (6.1%)

  

  e3e3

562 (54.5%)

1,465 (56.2%)

  

 APOE e4+

420 (40.7%)

973 (37.3%)

0.06

0.19

  e2e4

12 (1.2%)

38 (1.5%)

  

  e3e4

366 (35.5%)

833 (32.0%)

  

  e4e4

42 (4.1%)

102 (3.9%)

  
  1. Abbreviations: APOE = apolipoprotein E
  2. †Estimates adjusted for age at baseline, education, marital status, cohabitation status, type of caregiver, arthrosis, and depression using logistic regression models