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Table 3 Allele frequencies of the 5 ADRB2 SNPs (P value compares the frequency difference between Caucasian and African Americans)

From: β2-Adrenergic receptor promoter haplotype influences the severity of acute viral respiratory tract infection during infancy: a prospective cohort study

  SNP Caucasian African American P value
(N = 261) (N = 113)
   N Allele frequencies (%) N Allele frequencies (%)  
rs1432623 C/T 252 42.9 57.1 111 44.6 55.4 0.785
rs11168068 C/T 252 42.5 57.5 110 45.0 55.0 0.679
rs2400707 A/G 260 42.3 57.7 111 44.1 55.9 0.832
rs1042713 A/G 233 36.9 63.1 104 50.0 50.0 0.033
rs1042714 C/G 244 57.2 42.8 106 78.8 21.2 <0.001