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Table 4 Distributions of the frequencies of the genotypes with ascending APOE allele number

From: Variation at APOE and STH loci and Alzheimer's disease

 

Number of ε 2 alleles

Chi-Square test for trend

Number of ε 3 alleles

Chi-Square test for trend

Number of ε 4 alleles

Chi-Square test for trend

 

0

1

2

χ 2

P

0

1

2

χ 2

P

0

1

2

χ 2

P

 

f

N

f

N

f

N

  

f

N

f

N

f

N

  

f

N

f

N

f

N

  

AD

0.953

342

0.047

17

0

0

11.32

0.001

0.150

54

0.465

167

0.384

138

43.02

< 0.0001

0.421

151

0.440

158

0.139

50

 

< 0.0001

EOAD

0.965

166

0.035

6

0

0

9.73

0.002

0.209

36

0.401

69

0.390

67

37.41

< 0.0001

0.419

72

0.378

65

0.203

35

56.72

< 0.0001

LOAD

0.946

174

0.054

10

0

0

5.69

0.017

0.098

18

0.516

95

0.386

71

26.27

< 0.0001

0.424

78

0.494

91

0.082

15

42.63

< 0.0001

FH+

0.971

168

0.029

5

0

0

11.46

0.001

0.162

28

0.497

86

0.341

59

41.06

< 0.0001

0.370

64

0.468

81

0.162

28

61.13

< 0.0001

FH-

0.939

170

0.061

11

0

0

4.49

0.034

0.144

26

0.431

78

0.425

77

24.67

< 0.0001

0.464

84

0.414

75

0.122

22

38.60

< 0.0001

Male

0.936

132

0.064

9

0

0

3.29

0.069

0.121

17

0.489

69

0.390

55

16.00

< 0.0001

0.433

61

0.468

66

0.099

14

24.98

< 0.0001

Female

0.963

210

0.037

8

0

0

8.02

0.005

0.170

37

0.450

98

0.381

83

26.33

< 0.0001

0.413

90

0.422

92

0.165

36

38.04

< 0.0001

Controls

0.878

216

0.122

30

0

0

  

0.053

13

0.293

72

0.654

161

  

0.760

187

0.203

50

0.037

9

  

Male

0.870

100

0.130

15

0

0

  

0.061

7

0.278

32

0.661

76

  

0.774

89

0.183

21

0.043

5

  

Female

0.885

116

0.115

15

0

0

  

0.046

6

0.305

40

0.649

85

  

0.748

98

0.221

29

0.031

4

  
  1. f, N, AD, EOAD, LOAD, Controls, and the comparing methods see Tables 1 and 2.
  2. α was set at 0.017 (or 0.003) for each Chi-Square test for trend analysis in overall AD (or AD subgroups), referring to Tables 1 and 2.