Ankylosing Spondylitis Information on Risk Factors & Treatment
Sex: Males are more likely to develop ankylosing spondylitis than females.
Age: The onset of ankylosing spondylitis generally occurs late in adolescence or in early adulthood.
Heredity: The majority of people who develop ankylosing spondylitis have a specific gene known as the HLA-B27 gene. However, there are also many people who have the HLA-B27 gene who never develop AS.