Table 4.
The ROC curve and cut-off values of common ratios and markers of myocardial injury predicting in-hospital death in STEMI group.
| Variables | AUC | Sensitivity | Specificity | Youden index J | Cut-off value | 95%CI | P-value (z statistic) |
|---|---|---|---|---|---|---|---|
| NLR | 0.621 | 50.94% | 71.63% | 0.226 | 8.740 | 0.563–0.678 | <0.001*** |
| NMR | 0.592 | 37.74% | 79.15% | 0.169 | 108.610 | 0.532–0.651 | 0.002** |
| PLR | 0.512 | 39.62% | 68.60% | 0.082 | 195.370 | 0.451–0.572 | 0.705 |
| LMR | 0.661 | 66.98% | 63.37% | 0.304 | 2.400 | 0.603–0.719 | <0.001*** |
| LDH (U/L) | 0.514 | 31.13% | 74.98% | 0.061 | 713.000 | 0.453–0.576 | 0.646 |
| AST (U/L) | 0.520 | 44.34% | 64.80% | 0.092 | 48.000 | 0.458–0.583 | 0.526 |
| CK (U/L) | 0.545 | 82.08% | 26.98% | 0.091 | 1629.000 | 0.486–0.605 | 0.136 |
| TnI (ng/ml) | 0.513 | 33.02% | 75.80% | 0.088 | 0.540 | 0.454–0.572 | 0.658 |
*P < 0.05; **P < 0.01; ***P < 0.001. NLR, neutrophil-to-lymphocyte ratio; NMR, neutrophil-monocyte ratio; PLR, platelet-lymphocyte ratio; LMR, lymphocyte-monocyte ratio; AST, aspartate aminotransferase; LDH, lactate dehydrogenase; CK, creatine kinase.