Table 3.
Results of the receiver operating characteristic analysis and sensitivity, specificity
| Negative appendectomy / Positive appendicitis | Uncomplicated AA/ Complicated AA | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| AUC | 95% CI | p | Cut off | Sensitivity | Specificity | AUC | 95% CI | p | Cut off | Sensitivity | Specificity | |
| WBC | 0.746 | 0.665–0.826 | <0.001 | 13.52 | 57.6% | 84.0% | 0.658 | 0.573–0.744 | 0.001 | 14.84 | 71.8% | 58.1% |
| PLT | 0.413 | 0.302–0.524 | 0.148 | 350.00 | 6.8% | 100.0% | 0.548 | 0.450–0.647 | 0.327 | 302.50 | 33.3% | 82.4% |
| Neutrophil | 0.771 | 0.691–0.851 | <0.001 | 9.135 | 68.7% | 80.0% | 0.682 | 0.595–0.769 | <0.001 | 12.945 | 56.4% | 69.7% |
| Lymphocyte | 0.359 | 0.238–0.480 | 0.019 | 0.735 | 95.4% | 8.0% | 0.289 | 0.196–0.381 | <0.001 | 0.575 | 100.0% | 2.1% |
| Monocyte | 0.675 | 0.576–0.773 | 0.004 | 0.785 | 65.6% | 72.0% | 0.547 | 0.457–0.637 | 0.342 | 0.835 | 74.4% | 40.5% |
| RDW–CV | 0.561 | 0.455–0.667 | 0.309 | 13.05 | 29.7% | 84.0% | 0.561 | 0.467–0.656 | 0.215 | 12.85 | 46.2% | 64.1% |
| IG | 0.687 | 0.567–0.806 | 0.002 | 0.025 | 88.2% | 40.0% | 0.737 | 0.652–0.821 | <0.001 | 0.055 | 74.4% | 60.6% |
| CRP | 0.582 | 0.462–0.702 | 0.172 | 0.75 | 60.4% | 56.0% | 0.747 | 0.656–0.837 | <0.001 | 7.55 | 56.4% | 85.6% |
| T.BIL | 0.607 | 0.490–0.725 | 0.073 | 0.495 | 77.1% | 44.0% | 0.610 | 0.522–0.697 | 0.026 | 0.555 | 87.2% | 34.5% |
| NLR | 0.735 | 0.616–0.854 | <0.001 | 3.686 | 76.2% | 72.0% | 0.742 | 0.653–0.831 | <0.001 | 11.064 | 56.4% | 88.0% |
| PLR | 0.581 | 0.467–0.695 | 0.177 | 171.987 | 28.5% | 88.0% | 0.707 | 0.607–0.806 | <0.001 | 177.651 | 64.1% | 77.8% |
| NPR (1/10³) | 0.789 | 0.703–0.874 | <0.001 | 46.429 | 48.9% | 96.0% | 0.662 | 0.576–0.749 | 0.001 | 47.432 | 71.8% | 58.1% |
| IGLR (1/10³) | 0.712 | 0.592–0.833 | <0.001 | 8.43 | 93.5% | 48.0% | 0.782 | 0.698–0.865 | <0.001 | 37.038 | 71.8% | 74.3% |
| MLR | 0.700 | 0.581–0.819 | <0.001 | 0.303 | 81.1% | 56.0% | 0.720 | 0.631–0.808 | <0.001 | 0.738 | 59.0% | 81.3% |
| RDWLR | 0.647 | 0.523–0.771 | 0.014 | 5.207 | 72.8% | 60.0% | 0.711 | 0.617–0.806 | <0.001 | 8.157 | 66.7% | 71.8% |
ROC Curve. WBC: White blood cells; PLT: Platelets; RDW-CV: Red blood cell distribution width; IG: Immature granulocyte; CRP: C-reactive protein; T.BIL: Total bilirubin; NLR: Neutrophil-to-lymphocyte ratio; PLR: Platelet-to-lymphocyte ratio; NPR: Neutrophil-to-platelet ratio; IGLR: IG-to-Lymphocyte ratio; MLR: Monocyte-to-Lymphocyte Ratio; RDWLR: red blood cell distribution width-to-lymphocyte ratio; AUC: Area under curve; CI: Confidence interval.