<prompt> True about psoriatic arthritis are all expect -HLA-Cw6 associationInvolvement of DIP jointMore common in malesDOC is methotrexate  <response>: Psoriatic arthritis does not have sex predilection.The largest and most consistent reported relative risk has been with HLA-Cω6.Psoriatic arthritis involves DIP joints and the DOC for psoriatic arthritis is methotrexate. 