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Table 1 Squared correlation of allele frequencies and chi-square P-values from SNPs in different regions

From: Validation of genotype imputation in Southeast Asian populations and the effect of single nucleotide polymorphism annotation on imputation outcome

Region

Squared correlation (r2) of minor allele frequency

Squared correlation (r2) p-value from chi-square

Before post-imputation QC

After post-imputation QC

Before post-imputation QC

After post-imputation QC

Coding region

0.868

0.997

0.387

0.813

Complex region

0.817

0.991

0.267

0.782

Intergenic region

0.864

0.996

0.328

0.789

Intron region

0.863

0.995

0.340

0.784

UTR region

0.830

0.991

0.303

0.756