Table 5. AUC and optimal cut-off values for parameters to identify patients with severe HF symptoms
Parameter AUC (95% CI) P-value Cut-off value Sensitivity (%) Specificity (%)
LVEF 0.624 (0.512–0.735) 0.034 26.2% 55% 63.1%
GLS-LV 0.698 (0.591–0.804) 0.001 -7.5% 67.5% 64.6%
S wave velocity 0.689 (0.578–0.800) 0.001 10.5 cm/s 60% 60%
TAPSE 0.688 (0.579–0.797) 0.001 17.5 mm 65% 63.1%
GLS-RV 0.661 (0.555–0.766) 0.006 -12.1% 62.5% 61.5%
RVPAC 0.712 (0.611–0.813) <0.001 0.54 47.5% 92.3%
PASP 0.593 (0.472–0.714) 0.111 38 mm Hg 42.5% 84.6%
AUC – area under the curve; HF – heart failure; CI – confidence interval; LV – left ventricle; EF – ejection fraction; GLS– global longitudinal strain; TAPSE – tricuspid annular plane systolic excursion; RV – right ventricle; RVPAC – right ventricle-pulmonary artery coupling; PASP – pulmonary artery systolic pressure AUC – area under the curve; HF – heart failure; CI – confidence interval; LV – left ventricle; EF – ejection fraction; GLS– global longitudinal strain; TAPSE – tricuspid annular plane systolic excursion; RV – right ventricle; RVPAC – right ventricle-pulmonary artery coupling; PASP – pulmonary artery systolic pressure AUC – area under the curve; HF – heart failure; CI – confidence interval; LV – left ventricle; EF – ejection fraction; GLS– global longitudinal strain; TAPSE – tricuspid annular plane systolic excursion; RV – right ventricle; RVPAC – right ventricle-pulmonary artery coupling; PASP – pulmonary artery systolic pressure AUC – area under the curve; HF – heart failure; CI – confidence interval; LV – left ventricle; EF – ejection fraction; GLS– global longitudinal strain; TAPSE – tricuspid annular plane systolic excursion; RV – right ventricle; RVPAC – right ventricle-pulmonary artery coupling; PASP – pulmonary artery systolic pressure AUC – area under the curve; HF – heart failure; CI – confidence interval; LV – left ventricle; EF – ejection fraction; GLS– global longitudinal strain; TAPSE – tricuspid annular plane systolic excursion; RV – right ventricle; RVPAC – right ventricle-pulmonary artery coupling; PASP – pulmonary artery systolic pressure AUC – area under the curve; HF – heart failure; CI – confidence interval; LV – left ventricle; EF – ejection fraction; GLS– global longitudinal strain; TAPSE – tricuspid annular plane systolic excursion; RV – right ventricle; RVPAC – right ventricle-pulmonary artery coupling; PASP – pulmonary artery systolic pressure