Research Article

An Increased Frequency in HLA Class I Alleles and Haplotypes Suggests Genetic Susceptibility to Influenza A (H1N1) 2009 Pandemic: A Case-Control Study

Table 2

HLA-A allele frequencies in patients with influenza A/H1N1 infection (INF-P) and asymptomatic healthy contacts (INF-C).

HLA-AINF-P INF-C pCOR95% CI
AF(%)AF(%)

A02:01:01680.246424.6381200.266726.667
A68:01:02320.115911.594410.09119.111
A24:02:01220.07977.971840.186718.6670.37740.2298–0.6197
A03:01:01210.07617.609270.06006.000
A31:01:02200.07257.246220.04894.889
A01:01:01180.06526.522230.05115.111
A02:06:01170.06166.159190.04224.222
A29:02:01100.03623.623100.02222.222
A26:01:0180.02902.89980.01781.778
A32:01:0180.02902.89970.01561.556
A30:02:0170.02542.536100.02222.222
A23:01:0160.02172.174140.03113.111
A26:01:0250.01811.81240.00890.889
A68:01:0150.01811.8120UndUnd-Und
A01:0330.01091.08710.00220.222
A11:24:0230.01091.0870
A33:01:0230.01091.087110.02442.444
A66:0230.01091.0870
A68:02:0130.01091.08710.00220.222
A25:01:0120.00720.72530.00670.667
A33:01:0120.00720.7250
A02:0410.00360.3620
A02:05:0110.00360.3620
A11:01:0110.00360.362130.02892.8890.12220.0159–0.9397
A23:01:0210.00360.3620
A23:0210.00360.3620
A24:02:0610.00360.3620
A30:01:0110.00360.36210.00220.222
A32:02:0110.00360.36210.00220.222
A68:03:0110.00360.36210.00220.222
A74:02:0110.00360.3620
A01:01:02020.00440.444
A02:01:02010.00220.222
A02:02:01030.00670.667
A02:03:01010.00220.222
A11:01:02010.00220.222
A11:04010.00220.222
A26:02:01010.00220.222
A31:02040.00890.889
A31:14N010.00220.222
A36:01040.00890.889
A66:01:01030.00670.667
A68:01:03010.0020.222
A68:03:02010.0020.222
A68:05010.0020.222
A69:01010.0020.222
A74:01020.0040.444
A80:01010.0020.222

INF-P: influenza patients; INF-C: influenza contacts; HLA: human leukocyte antigen; AF: allele frequency; : number of subjects; OR: odds ratio; CI: confidence interval; pC: value after Bonferroni correction; Und: undefined; only showing value < 0.05, which is considered significant.