Table 1 Subject characteristics
ASD patients | Healthy controls | |||
|---|---|---|---|---|
N | 18 | 16 | ||
Mean age and range | 51±18 | 35±13 | ||
Females, n (%) | 13 (72) | 3 (19) | ||
BSA, m2 | 1.9±0.2 | 1.9±0.2 | ||
Peak oxygen uptake on ergospirometry (ml/min) | 1795±661 | 3482±624 | ||
Rest | Dobutamine stress | Rest | Dobutamine stress | |
Heart rate, bpm | 73±11 | 124±11 | 65±19 | 134±12 |
Cardiac output (L/min) | 4.8±0.9 | 8.8±2.8 | 7.0±1.5 | 11.8±2.1 |
Shunt, QP/QS | 2.2±0.8 | 1.6±0.6 | 1.0±0.1 | 1.0±0.1 |