ROC Curve with the outcome of sacroiliitis, defined according to the mNY criteria
NLR cut-off value = 2.280, sensitivity = 0.864, specificity = 0.753, AUC = 0.851. PLR cut-off value = 115.833, sensitivity 0.874, specificity 0.891, AUC = 0.940. ESR cut-off value = 15.000, sensitivity = 0.907, specificity = 0.869, AUC = 0.934. CRP cut-off value 1.490, sensitivity 0.840, specificity 0.819, AUC = 0.874.
ROC, Receiver Operating Characteristic; mNY, modified New York; NLR, neutrophil-lymphocyte ratio; PLR, platelet-lymphocyte ratio; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein.