<prompt> Ankylosing spondylitis is associated withHLA-B27HLA-B-8HLA-DW4DR4HLA-DR3  <response>: There is a strong correlation with HLA-B2790-95 of cases are positive for HLA-B27Refer: Mohindras Fundamentals of Ohopedics, 2nd edition, pg no. 302, 426 