Table 3.
ROC curve analysis of NLR, PLR, LMR, ESR and CRP as key factors in differentiating active RA from remission
| Variables | AUC | 95% CI | Cut-off value | sensitivity | Specificity | Youden-index | P value |
|---|---|---|---|---|---|---|---|
| ESR | 0.80 | 0.73–0.87 | 19.5 | 75% | 70% | 0.45 | 0.000 |
| CRP | 0.63 | 0.54–0.72 | 5.4 | 52% | 72% | 0.25 | 0.004 |
| NLR | 0.66 | 0.57–0.75 | 1.85 | 81% | 49% | 0.31 | 0.000 |
| PLR | 0.64 | 0.55–0.73 | 10.9 | 61% | 68% | 0.28 | 0.001 |
| LMR | 0.52 | 0.43–0.62 | 9.9 | 37% | 77% | 0.14 | 0.630 |
ESR; erythrocyte sedimentation rate, CRP; C-reactive protein, NLR; neutrophil/lymphocyte ratio, PLR; platelet-lymphocyte ratio, LMR; lymphocyte-monocyte ratio, AUC; area under curve, CI; confidence interval