Multivariate analysis of echocardiographic and haemodynamic variables associated with peak oxygen uptake in the overall population
| B | se | Beta | p-value | r2 | |
| Haemodynamic model | 0.31 | ||||
| Intercept | 10.12 | 2.40 | <0.001 | ||
| CI | 2.32 | 0.97 | 0.25 | 0.019 | |
| RAP | −0.25 | 0.09 | −0.25 | 0.009 | |
| Compliance | 1.13 | 0.55 | 0.21 | 0.043 | |
| Echo model without RV dyssynchrony | 0.35 | ||||
| Intercept | 8.42 | 2.04 | <0.001 | ||
| RVFAC | 0.27 | 0.03 | 0.54 | <0.001 | |
| RA area | −0.10 | 0.03 | −0.25 | 0.002 | |
| Echo model with RV dyssynchrony | 0.48 | ||||
| Intercept | 11.7 | 2.40 | <0.001 | ||
| RVFAC | 0.20 | 0.04 | 0.42 | <0.001 | |
| RA area | −0.10 | 0.03 | −0.24 | 0.002 | |
| RV dyssynchrony | −0.04 | 0.01 | −0.22 | 0.01 |
CI: cardiac index; RAP: mean right atrial pressure; RV: right ventricular; RVFAC: right ventricular fractional area change; RA area: right atrium area.