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Table 4 ROC curve analysis and validity of NLR, PLR and ESR to differentiate between active and inactive AS patients

From: Neutrophil/lymphocyte and platelet/lymphocyte ratios as potential markers of disease activity in patients with Ankylosing spondylitis: a case-control study

VariableAUC95% CICut-off valueSensitivitySpecificityAccuracyP value
NLR0.6260.528–0.7231.6661.8%50.6%56.82%0.014
PLR0.7020.608–0.79595.970.9%55.5%61.36%< 0.001
ESR0.7260.634–0.81715.570.9%64.9%61.61%< 0.001
  1. AS, ankylosing spondylitis; AUC, area under curve; CI, confidence interval; ESR, erythrocyte sedimentation rate; NLR, neutrophil/lymphocyte ratio; PLR, platelet/lymphocyte ratio; P value, probability value (< 0.05)