Table 4.
Average (SDs) for the loadings of the selected cardiorespiratory variables onto PC2.
Non-Down Syndrome | Down Syndrome | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
VE | FeO2 | FeCO2 | HR | SBP | DBP | VE | FeO2 | FeCO2 | HR | SBP | DBP | |
Mean | 0.25 | 0.50 | −0.25 | 0.15 | 0.07 | 0.14 | 0.16 | 0.18* | −0.04 | 0.04 | 0.43* | 0.54* |
SD | 0.29 | 0.66 | 0.58 | 0.27 | 0.30 | 0.37 | 0.32 | 0.63 | 0.48 | 0.33 | 0.43 | 0.36 |
p < 0.05; VE, minute ventilation; FeO2, expired fraction of O2; FeCO2, expired fraction of CO2; HR, heart rate; SBP, systolic blood pressure; DBP, diastolic blood pressure.