Table 5. Results of the MLRM prediction models for impaired LV systolic function in HFpEF.
| Variable | Derivation set (n=95) | Validation set (n=30) | ||||
|---|---|---|---|---|---|---|
| Mean AUC (95% CI) | Cutoff value | AUC (95% CI) | Sensitivity (%) | Specificity (%) | ||
| Combination of GLS | 0.906 (0.76–1) | 0.452 | 0.902 (0.78–0.99) | 100 | 73 | |
| Combination of GMW | 0.883 (0.85–0.97) | 0.463 | 0.908 (0.84–1) | 100 | 87 | |
| Combination of GLS & GMW | 0.966 (0.88–1) | 0.569 | 0.933 (0.85–1) | 87 | 93 | |
MLRM, multivariate logistic regression model; LV, left ventricular; HFpEF, heart failure with preserved ejection fraction; AUC, area under the curve; CI, confidence interval; GLS, global longitudinal strain; GMW, global myocardial work.