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 4

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

AlleleINF-P INF-C pCOR95% CI
AF(%)AF(%)

C07:02:01600.217421.739590.131113.1111.84091.2390–2.7351
C04:01:01500.181218.116750.166716.667
C01:02:01220.07977.971310.06896.889
C08:01:01220.07977.971260.05785.778
C07:01:01140.05075.073420.09339.3330.51910.2780–0.9692
C03:04:01120.04354.348480.106710.6670.38070.1985–0.7302
C03:02:01110.03993.98650.01111.1113.69431.2697–10.7492
C08:02:01110.03993.986150.03333.333
C16:01:01110.03993.986170.03783.778
C06:02:01100.03623.623140.03113.111
C05:01:0180.02902.899180.04004.000
C12:03:0180.02902.899220.04894.889
C02:02:0260.02172.1740UndUnd-Und
C08:01:0250.01811.8120UndUnd-Und
C15:02:0150.01811.812210.04674.667
C03:03:0140.01451.449240.05335.3330.2610.0896–0.7605
C03:03:0230.01091.0870
C03:0630.01091.08750.01111.111
C14:02:0130.01091.08740.00890.889
C03:02:0220.00720.7250
C02:02:0110.00360.362100.02222.222
C03:0710.00360.3620
C05:01:0210.00360.3620
C07:04:0110.00360.36260.01331.333
C17:01:0110.00360.36260.01331.333
C18:0110.00360.3620
C03:05:01010.00220.222
C07:01:03010.00220.222

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; only showing value < 0.05, which is considered significant.