Table 1 Distribution of B27 subtypes in patients with ankylosing spondylitis (AS) and controls in Spanish and Azorian populations
Spanish | Azorian | |||
|---|---|---|---|---|
Subtypes | Patients with AS ( n = 71) | Controls ( n = 105) | Patients with AS ( n = 55) | Controls ( n = 57) |
B*2705 | 68 (95.7%) | 94 (89.5%) | 45 (81.8%) | 52 (91.2%) |
B*2702 | 3 (4.3%) | 9 (8.6%) | 7 (12.7%) | 2 (3.5%) |
B*2703 | - | - | - | 2 (3.5%) |
B*2707 | - | 1 (0.95%) | - | 1 (1.8%) |
B*2708 | - | - | 3 (5.5%) | - |
B*2713 | - | 1 (0.95%) | - | - |