Orthopaedics All India exam 89304d25 Ankylosing spondylitis is associated with A HLA-B27 B HLA-B-8 C HLA-DW4/DR4 D HLA-DR3 High-Yield Explanation There is a strong correlation with HLA-B2790-95% of cases are positive for HLA-B27(Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 302, 426)