HLA-B27 Portuguese patients with AS | HLA-B27 Portuguese unaffected controls | |||
Alleles | FAs | Fc | P values | |
G*01:01 | 0.82 | 0.82 | 1.00 | |
G*01:03 | 0.05 | 0.06 | 0.33 | |
G*01:04 | 0.07 | 0.08 | 0.90 | |
G*01:05 N | 0.01 | 0.00 | 0.36 | |
G*01:06 | 0.05 | 0.04 | 0.27 | |
Genotypes | FAs | Fc | P values | |
G*01:01/G*01:01 | 0.68 | 0.66 | 0.77 | |
G*01:01/G*01:03 | 0.07 | 0.13 | 0.07 | |
G*01:01/G*01:04 | 0.11 | 0.13 | 0.58 | |
G*01:01/G*01:05 N | 0.00 | 0.00 | 0.50 | |
G*01:01/G*01:06 | 0.10 | 0.06 | 0.17 | |
G*01:03/G*01:03 | 0.00 | 0.00 | 0.48 | |
G*01:03/G*01:04 | 0.01 | 0.00 | 0.11 | |
G*01:04/G*01:04 | 0.00 | 0.00 | 0.50 | |
G*01:04/G*01:06 | 0.01 | 0.01 | 0.68 | |
G*01:05 N / G*01:05 N | 0.00 | 0.00 | 0.48 | |
Alleles | FAs | Fc | P values | |
14 bp Indel | +14 bp (In) | 0.34 | 0.38 | 0.46 |
−14 bp (Del) | 0.66 | 0.62 | 0.46 | |
Genotypes | FAs | Fc | P values | |
Homoz −14 bp (Del) (254) | 0.39 | 0.41 | 0.89 | |
Homoz +14 bp (In) (268) | 0.15 | 0.09 | 0.27 | |
Heteroz | 0.46 | 0.50 | 0.67 |
AS, ankylosing spondylitis; FAs, frequency in patient group; Fc, frequency in control group; P values, Fisher’s exact test.