Table 3.

Sensitivity, specificity, and likelihood ratios for the determined cutoff of S100A12 predicting response to MTX and anti-TNF therapy.

Accuracy MeasureMTX TherapyAnti-TNF Therapy
Cutoff level S100A12, ng/ml260213
Sensitivity47.458.6
Specificity88.980.7
Positive likelihood ratio4.33.0
Negative likelihood ratio1.70.5
Youden index0.3630.392
AUC (95% CI)0.675 (0.559–0.805)0.734 (0.622–0.846)
  • AUC: area under the curve; MTX: methotrexate; anti-TNF: antitumor necrosis factor.