Table 2.
Performance of red cell distribution width to platelet ratio for predicting in-hospital mortality in critically ill patients with acute kidney injury.
| Variable | Cut-off | AUC (95% CI) | Sensitivity | Specificity |
|---|---|---|---|---|
| RPR | 0.093 | 0.791 (0.773-0.810) | 0.734 | 0.739 |
| RDW | 15.0 | 0.664 (0.642-0.686) | 0.667 | 0.581 |
| Platelet | 142.9 | 0.693 (0.669-0.717) | 0.530 | 0.830 |
| SOFA | 6.0 | 0.633 (0.611-0.654) | 0.704 | 0.487 |
| SAPS II | 47.0 | 0.598 (0.576-0.620) | 0.704 | 0.440 |
| NLR | 5.4 | 0.612 (0.590-0.634) | 0.505 | 0.661 |
| PLR | 136 | 0.617 (0.595-0.640) | 0.576 | 0.592 |
AUC: area under the curve; CI: confidence interval; RPR: red cell distribution width to platelet ratio; RDW: red cell distribution width; SOFA: sequential organ failure assessment; SAPS II: simplified acute physiology score II; NLR: neutrophil to lymphocyte ratio; PLR: platelet to lymphocyte ratio.