Positive associations of HLA alleles in DHF patients in different races.

<p>n = number of patients; <i>P</i> = <i>p</i> value derived from fisher exact test; <i>Pc</i> = corrected <i>P</i> value; OR = Odds Ratio; CI = confidence interval; PT = patients; CTRL = controls; AF = allele frequency in percentage; Number in bold (*) indicate significant <i>P</i> value; In Pearson chi-square analysis, where a value in a 2×2 table was 0, the OR and 95% CI could not be calculated (NA, not available).</p>