Frequencies of the human leukocyte antigen (HLA)-DRB3*, 4*, 5* alleles in the study populations
| DRB alleles | Control | “Sensitized” | “Disease case” |
| 3*0101 | 19 (10.3) | 16 (34.8) | 5 (11.4) |
| 3*0201 | 3 (1.6) | ||
| 3*0202 | 53 (28.8) | 7 (15.2) | 16 (36.4) |
| 3*0301 | 13 (7.1) | 2 (4.4) | 8 (18.2) |
| 4*# | 6 (3.3) | 2 (4.4) | |
| 4*01# | 1 (0.5) | ||
| 4*0101 | 14 (7.6) | 2 (4.4) | 4 (9.1) |
| 4*0103 | 43 (23.4) | 6 (13.0) | 3 (6.8) |
| 5*# | 2 (1.1) | ||
| 5*0101 | 25 (13.6) | 10 (21.7) | 6 (13.6) |
| 5*0102 | 2 (1.1) | ||
| 5*0202 | 3 (1.6) | 1 (2.2) | 2 (4.5) |
Data are presented as n (%)
#: For nine alleles (from seven subjects) high resolution typing of DRB4* or DRB5* allele was not possible due to shortage of material, and the data obtained allowed the DR serotype assignment only