Genotypic distribution for HLA gene polymorphisms when patients (Groups I+II+III+IV) were compared to control group.

<p>Risk alleles marked in <b>BOLD</b> letters.</p

Genotypic distribution for HLA gene polymorphisms when groups III+IV were compared to group II.

<p>Risk alleles marked in <b>BOLD</b> letters.</p

Baseline characteristics of all subjects included in this study.

<p>NA, Not available; BMI, body-mass index; ALT, alanine aminotransferase; AST, aspartate aminotransferase.</p>*<p>Values are expressed as median (interquartile ranges),</p>§<p>Mean ± SD.</p

Pair-wise linkage disequilibrium analysis of five HLA SNPs.

<p>Pair-wise linkage disequilibrium analysis of five HLA SNPs.</p

Haplotype analysis for HLA gene polymorphisms between patients (Group I+II+III+IV) and controls.

<p>Haplotype analysis for HLA gene polymorphisms between patients (Group I+II+III+IV) and controls.</p

Haplotype analysis for HLA gene polymorphisms between patients (Group I+II+III+IV) and clearance group.

<p>Haplotype analysis for HLA gene polymorphisms between patients (Group I+II+III+IV) and clearance group.</p