Table 2.
Demographic and CPET data.
| Controls | CHD | ||
|---|---|---|---|
| A DEMOGRAPHIC DATA | |||
| Age [years] | 13.0 ± 3.8 | 14.8 ± 4.8 | |
| Weight [kg] | 50.1 ± 15.7 | 54.4 ± 20.6 | |
| Height [cm] | 157.2 ± 16.3 | 159.6 ± 17.9 | |
| BMI [kg/m2] | 19.8 ± 3.4 | 20.5 ± 4.5 | |
| Controls | CHD | p | |
| B CPET DATA | |||
| Loading time [min] | 11:53 ± 1:35 | 10:39 ± 2:02 | <0.001 |
| Distance [m] | 905.9 ± 217.6 | 803.5 ± 214.0 | <0.01 |
| Speed [km/h] | 6.2 ± 0.5 | 5.7 ± 0.7 | <0.001 |
| METS | 14.8 ± 1.8 | 13.1 ± 2.7 | <0.001 |
| Peak VO2 [l/min] | 2.1 ± 0.73 | 1.8 ± 0.75 | <0.05 |
| Indexed peak VO2 [ml/min/kg] | 41.7 ± 7.0 | 34.3 ± 7.7 | <0.001 |
| V'/E [l/min] | 63.5 ± 21.7 | 62.0 ± 22.9 | n.s. |
| V'E/V'O2 | 28.8 ± 3.6 | 32.3 ± 6.0 | <0.001 |
| V'E/V'CO2 | 27.6 ± 2.8 | 30.6 ± 5.4 | <0.01 |
| RER | 1.04 ± 0.08 | 1.06 ± 0.08 | n.s. |
| VT | 1.49 ± 0.50 | 1.50 ± 0.67 | n.s. |
| RR [min−1] | 43.2 ± 7.3 | 43.6 ± 10.1 | n.s. |
CPET, Cardiopulmonary exercise testing; METS, Metabolic equivalent; Peak VO2, Peak oxygen consumption; V'/E, minute ventilation; V'E/V'O2, Ventilatory equivalent of oxygen; V'E/V'CO2, Ventilatory equivalent of carbon dioxide; RER, Respiratory exchange ratio; VT, Ventilatory threshold; RR, Maximum respiratory rate. All parameters given at peak VO2.