Major histocompatibility complex class II (human leukocyte antigen-DR) serotypes in Iraqi Arabic patients with Guillain-Barré syndrome in comparison with a healthy control group.
| Human leukocyte antigen serology allele | No. of alleles in patients (n=30) | No. of alleles in controls (n=42) | Odds ratio (95% confidence ratio) | P-value |
|---|---|---|---|---|
| n (%) | ||||
| DR2 | 6 (20.0) | 0 | ||
| DR3 | 18 (60.0) | 9 (21.4) | 5.5 (1.9485-15.5249) | 0.0013 |
| DR4 | 4 (13.3) | 0 | N.A | NA |
| DR5 | 14 (46.7) | 19 (54.5) | 0.9054 | |
| DR6 | 6 (20.0) | 32 (45.2) | 0.0806 (0.0257-0.2531) | 0.0001 |
| DR7 | 12 (40.0) | 2 (4.8) | 13.3333 (2.7001-65.8423) | 0.0015 |
| DR8 | 0 | 2 (4.8) | NA | |
| DR9 | 0 | 0 | NA | |
| DR10 | 0 | 0 | NA | |