Table 3. Receiver-Operating Curve Analysis for Prediction of RV-PA Uncoupling.
Abbreviations: AUC=area under the curve, FAC=fractional area change, PASP=pulmonary artery systolic pressure, RA=right atrium, RVFWS=right ventricular free wall strain, TAPSE=tricuspid annular plane systolic excursion, TDI=tissue Doppler imaging.
| Ratio | Cut-Point | Sensitivity (%) | Specificity (%) | Positive Predictive Value (PPV) | Negative Predictive Value (NPV) | AUC (95% CI) | Standard Error |
|---|---|---|---|---|---|---|---|
| TAPSE/PASP (mm/mmHg) | 0.40 | 80 | 70 | 0.80 | 0.70 | 0.81 (0.640.98) | 0.09 |
| FAC/PASP (%/mmHg) | 0.83 | 82 | 64 | 0.70 | 0.77 | 0.82 (0.660.97) | 0.08 |
| TDI Sā/PASP (cm/s/mmHg) | 0.22 | 90 | 57 | 0.80 | 0.75 | 0.80 (0.581.0) | 0.11 |
| Global RVFWS/PASP (%/mmHg) | 0.46 | 67 | 75 | 0.64 | 0.76 | 0.73 (0.540.93) | 0.10 |
| Basal RVFWS/PASP (%/mmHg) | 0.54 | 60 | 94 | 0.60 | 0.93 | 0.79 (0.650.93) | 0.07 |
| RA Reservoir Strain/PASP (%/mmHg) | 0.36 | 56 | 78 | 0.90 | 0.70 | 0.78 (0.570.99) | 0.11 |