Table 4.
Correlation between echocardiographic parameters and right ventricular stroke work index within each study group
| RVSWI (g m/m2/beat) | Healthy controls (n = 17) | FTR (n = 22) | PCPH (n = 20) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ρ | ß (SE) | P value | ρ | ß (SE) | P value | ρ | ß (SE) | P value | |
| RVGCW, mmHg% | 0.36 | 17.7 (13.0) | 0.20 | 0.11 | 7.9 (15.9) | 0.62 | 0.62 | 25.8 (7.8) | 0.004 |
| TAPSE/PASP, mm/mmHg | − 0.32 | − 0.1 (0.1) | 0.34 | − 0.1 | − 0.01 (0.01) | 0.71 | − 0.29 | − 0.02 (0.02) | 0.43 |
| TAPSE, mm | 0.41 | 0.9 (0.5) | 0.12 | 0.17 | 0.3 (0.3) | 0.45 | 0.33 | 0.2 (0.1) | 0.15 |
| RV FWS, % | − 0.29 | − 17.4 (16.8) | 0.32 | − 0.08 | − 7.0 (20.9) | 0.74 | − 0.55 | − 24.6 (9.2) | 0.02 |
| RV GLS, % | − 0.20 | − 0.4 (0.6) | 0.49 | 0.20 | 0.3 (0.3) | 0.43 | − 0.13 | − 0.1 (0.1) | 0.58 |
| RV S’, cm/sec | N/A | N/A | N/A | − 0.11 | − 0.1 (0.1) | 0.65 | 0.08 | 0.1 (0.1) | 0.76 |
Abbreviations as in Table 2