Table 1.
Baseline Characteristics of Participants at Visit 1
| Parameter | Value |
|---|---|
| Patients, N | 23 |
| Age, y, mean±SD (range) | 16±2 (12–20) |
| Sex, male; female, n (%) | 12 (52); 11 (48) |
| Height, cm, mean±SD | 164.9±8.3 |
| Weight, kg, mean±SD | 61.4±15.0 |
| BMI, kg/m2, mean±SD | 22.5±4.4 |
| Dominant ventricle, n (%) | |
| Left | 13 (57) |
| Right | 8 (35) |
| Balanced | 2 (9) |
| Smoke exposure, yes; no, n (%) | 7 (30); 16 (70) |
| Age at Fontan, y, mean±SD (range) | 5±2 (3–9) |
| Lateral thoracotomy, yes; no, n (%) | 12 (52); 11 (48) |
| Diagnosis, n (%) | |
| Pulmonary atresia | 4 (17) |
| Tricuspid atresia | 5 (22) |
| DILV | 2 (9) |
| HLHS | 3 (13) |
| Other | 9 (40) |
| Baseline saturation, %, mean±SD (range) | 93±4 (83–97) |
| IPAQ, n (%) | |
| Low | 3 (13) |
| Moderate | 10 (43) |
| High | 10 (43) |
| % Predicted FEV1, mean±SD | 89±11 |
| % Predicted FVC, mean±SD | 86±11 |
BMI indicates body mass index; DILV, double‐inlet left ventricle; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; HLHS, hypoplastic left heart syndrome; IPAQ, International Physical Activity Questionnaire.