Table 3.
Association between exercise capacity (pVO2, mL/kg/min) and key echocardiographic parameters in patients with HFrEF, HFmrEF, and HFpEF
| HFrEF (n = 86) | HFmrEF (n = 27) | HFpEF (n = 58) | ||||
|---|---|---|---|---|---|---|
| Mean ± SD | P‐value for association with pVO2 at linear regression analysisa | Mean ± SD | P‐value for association with pVO2 at linear regression analysisa | Mean ± SD | P‐value for association with pVO2 at linear regression analysisa | |
| LA reservoir strain, % | 14 ± 9 | 0.003 | 19 ± 8 | 0.04 | 18 ± 9 | 0.01 |
| LAVi, mL/m2 | 54 ± 22 | 0.1 | 41 ± 16 | 0.04 | 44 ± 20 | 0.8 |
| LVEF, % | 28 ± 7 | 0.002 | 45 ± 3 | 0.1 | 62 ± 6 | 0.08 |
| LVGLS, % | −7 ± 2 | 0.002 | −13 ± 3 | 0.06 | −19 ± 3 | 0.1 |
| TAPSE, mm | 19 ± 5 | 0.002 | 19 ± 4 | 0.6 | 20 ± 4 | 0.01 |
HFmrEF, heart failure with mid‐range ejection fraction; HFpEF, heart failure with preserved ejection fraction; HFrEF, heart failure with reduced ejection fraction; LA, left atrial; LAVi, left atrial volume indexed to body surface area; LVEF, left ventricular ejection fraction; LVGLS, left ventricular global longitudinal strain; pVO2, maximal oxygen consumption; SD, standard deviation; TAPSE, tricuspid annular plane systolic excursion.
a
Adjusted for age and body mass index.