John LondoñoConsuelo Romero‐SánchezViviana Garcia TorresWilson BautistaDiego Jaimes FernandezJuliette De ÁvilaRafael Valle‐OñateAna María SantosJuan Francisco Medina Gallardo2026-03-222026-03-22201210.1590/s0482-50042012000400006https://doi.org/10.1590/s0482-50042012000400006https://andeanlibrary.org/handle/123456789/66492enMedicineEnthesitisAnkylosing spondylitisInternal medicineArthritisGastroenterologyHLA-B27SpondylitisReactive arthritisSpondylarthropathiesThe association between serum levels of potential biomarkers with the presence of factors related to the clinical activity and poor prognosis in spondyloarthritisarticle