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. 2016 Oct 18;10(Suppl 7):197–202. doi: 10.1186/s12919-016-0030-0

Table 1.

Contribution of HW disequilibrium to p value distribution, evaluated by regression analysis. Significant F tests (p < 0.05) demonstrating evidence of the contribution of HW disequilibrium to the p value distributions are shown in bold font

Allb, c Sequenceda, c Nuclearb, c
Method TDT PDT FBAT TDT PDT FBAT TDT PDT FBAT
Regression model of - log10 p values at all SNPs
R 2 full –R 2 reduced 4.4 × 10-4 3.6 × 10-7 1.5 × 10-6 0.0018 3.6 × 10-8 2 × 107 2.9 × 10-6 8.26 × 10-9 3.5 × 10-7
 # SNPse 6.1 × 106 5.6 × 106 2.1 × 106 3.2 × 106 3 × 106 8 × 105 3.6 × 106 2.1 × 106 5 × 105
Regression models of - log10 p values greater than 3 only
R 2 full –R 2 reduced 0.002 8.4 × 10-5 8.8 × 10-4 0.0015 NAf 0.006 0.014 0.01 0.01
# SNPse 8 × 104 517 870 1777 11 19 3.3 × 104 53 54
F-test p-valuesd
 All SNPs 0.00 0.16 0.07 0.00 0.74 0.69 0.00 0.89 0.68
P< 10-3 0.00 0.84 0.38 0.10 NAf 0.82 0.00 0.49 0.50

aFull model is given by Eq. (1)

bFull model is given by Eq. (2)

cReduced model excludes -log10HWEpvalue

dTest to see if there is a significant difference between the full model and the reduced model. Numbers presented correspond to pvalues of the F test where the null hypothesis is βHWE=0

eThe number of informative SNPs

fNot enough data points to fit the model