Table 3.
Diagnostic parameters of ROCs by platelet indices on predicting mortality
| Platelet indices | AUC | Optimal cutoff point | Sensitivity, % | Specificity, % | Diagnostic accuracy, % | PLR | NLR |
|---|---|---|---|---|---|---|---|
| PLT | 0.78 | 169 | 60.1 | 91.2 | 66.9 | 6.9 | 0.4 |
| PCT | 0.66 | 0.18 | 67.5 | 63.2 | 66.5 | 1.8 | 0.5 |
| MPV | 0.79 | 15.1 | 58.2 | 90.2 | 83.5 | 6.0 | 0.5 |
| PDW | 0.68 | 16.1 | 60.0 | 67.5 | 65.9 | 1.8 | 0.6 |
ROC: Receiver operating curve; AUC: Area under the ROC curve; PLR: Positive likelihood ratio; NLR: Negative likelihood ratio; PLT: Platelet; PCT: Plateletcrit; MPV: Mean platelet volume; PDW: Platelet distribution width percentage.