Table 3 Cardiopulmonary exercise testing data
From: Exercise capacity in moderate aortic stenosis: a cardiopulmonary stress echocardiography study
| Â | Cases | Controls | p value |
|---|---|---|---|
Height (cm) | 171 ± 10 | 168 ± 10 | 0.277 |
Weight (kg) | 77.5 ± 17 | 76.2 ± 13.2 | 0.774 |
Exercise time | 10.7 ± 2.5 | 9.8 ± 1.8 | 0.175 |
Watts | 116 ± 48 | 107 ± 25 | 0.405 |
Resting HR | 73 ± 12 | 68 ± 10 | 0.103 |
Stress HR | 137 ± 20 | 126 ± 14 | 0.04 |
Δ HR | 64 ± 17 | 59 ± 16 | 0.294 |
SBP (rest) | 133 ± 16 | 125 ± 15 | 0.107 |
SBP (stress) | 177 ± 23 | 188 ± 29 | 0.027 |
Δ SBP | 39 ± 20 | 64 ± 29 | < 0.001 |
Peak VO2 (ml/kg/min) (all pts) | 19.1 ± 4.6 | 18.8 ± 2.4 | 0.802 |
% predicted VO2 (all pts) | 76 ± 15 | 84 ± 11 | 0.054 |
RER | 1.16 ± 0.1 | 1.15 ± 0.7 | 0.140 |
Peak VO2 (ml/kg/min) in RER > 1.1 | 19.7 ± 4.4 (n=22) | 19.0 ± 2.2 (n=22) | 0.503 |
% predicted VO2 in RER > 1.1 | 77 ± 16 | 86 ± 31 | 0.208 |
VE/VCO2 slope | 31.1 ± 8.7 | 26.9 ± 3.8 | 0.030 |
OUES | 1703 ± 466 | 1755 ± 429 | 0.691 |
% predicted OUES | 79 ± 15 | 89 ± 15 | 0.013 |
O2 pulse | 11.0 ± 3.2 | 11.2 ± 2.5 | 0.832 |
% predicted O2 pulse | 89 ± 18 | 99 ± 13 | 0.019 |
PETC02 | 33 ± 4 | 38 ± 5 | 0.001 |
VO2 at AT (ml/kg/min) | 14 ± 3.6 | 16.2 ± 3.3 | 0.032 |