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Table 1 Statistical power (%) for haplotype-based and mixed model analyses of the Covariate-adjusted LDL measurement in 200 replicates

From: Different models and single-nucleotide polymorphisms signal the simulated weak gene-gene interaction for a quantitative trait using haplotype-based and mixed models testing

   

Mixed modelb

 

Haplotype-baseda

rs4648068 × SNP

Marginal effect

 

rs4648068 × SNPc

Genotype analysis

Additive genotype recoding

Genotype analysis

Additive genotype recoding

SNP

α = 5%

1%

5%

1%

5%

1%

5%

1%

5%

1%

rs4648068

-

-

  

-

-

13 e

2.57

44.5

16.9

rs263

1

0

2.5

0

21.5

4.5

11

1

88

58.5

rs271

3

0

37

15.5

2.5

0

21

5

45.5

18

rs11570892

0.5

0

2

0

1.5

0

17

2

60

27

rs3200218

17

3.5

5

0

3.5

0

95.5

80.5

86.5

57

rs2410616

0.5

0

0.5

0

3

0

14

3

72

37.5

rs2898493

4.5

1

9

1.5

1

0

3.5

0

0.5

0

rs17482753

1

0

20

5

32.5

7

2

0

63

25.5

Overalld

3.9

0.6

10.9

3.14

9.36

1.64

18.2

7.82

51.9

24.4

  1. aHaplotype-based analyses with UNPHASED
  2. bMixed model SAS
  3. cInteraction term
  4. dProportion of significant p-values from 1400 tests (7 SNPs tested per each of 200 replicates)
  5. eBold font indicates greater than expected for the corresponding significance level.