Table 3 . ROC analysis of individual metrics to predict the occurrence of HFpEF.
| Characteristic | AUC | 95% CI | Sensitivity | Specificity |
|---|---|---|---|---|
| Individual indicators | ||||
| TyG-Index | 0.824 | [0.795–0.854] | 0.842 | 0.706 |
| NT-pro BNP | 0.840 | [0.816–0.864] | 0.995 | 0.656 |
| MVEe | 0.688 | [0.648–0.729] | 0.579 | 0.706 |
| LVMI | 0.847 | [0.820–0.875] | 0.792 | 0.796 |
| LVEF | 0.538 | [0.490–0.586] | 0.297 | 0.830 |
| Combined indicators | ||||
| TyG+NT-pro BNP | 0.857 | [0.830–0.883] | 0.861 | 0.758 |
| TyG+MVE/e′ | 0.851 | [0.824–0.878] | 0.767 | 0.818 |
| TyG+LVMI | 0.907 | [0.887–0.927] | 0.970 | 0.775 |
| TyG+LVEF | 0.820 | [0.789–0.850] | 0.752 | 0.784 |
Note:
Abbreviations: AUC, area under the curve; CI, confidence interval; TyG-Index, triglyceride-glucose index; NT-pro BNP, N-terminal pro-B-type natriuretic peptide; MVE/e', mitral valve E-wave to early diastolic mitral annulus velocity ratio; LVMI, left ventricular mass index; LVEF, left ventricular ejection fraction