TABLE 3.
Predictive equations for the ventilatory efficiency response.
| Predictive equations | ||||||
|---|---|---|---|---|---|---|
| a | b | r2 | r | Standard error | p-value | |
|
Ergometer Cycle Treadmill |
25.81 24.11 |
0.964 0.913 |
0.929 0.834 |
0.964 0.913 |
0.07 0.106 |
<0.001 <0.001 |
|
BMI (kg·m-2) 18-25 25-30 |
24.70 24.66 |
0.948 0.950 |
0.899 0.903 |
0.948 0.950 |
0.064 0.125 |
<0.001 <0.001 |
|
AGE (years) 16-25 (n=48) 25-35 (n=28) 35-45 (n=23) >45 (n=12) |
24.91 24.49 23.28 26.03 |
0.963 0.936 0.890 0.986 |
0.927 0.875 0.793 0.973 |
0.963 0.936 0.890 0.986 |
0.072 0.137 0.177 0.088 |
<0.001 <0.001 <0.001 <0.001 |
|
FITNESS LEVEL: VO2max (ml·kg-1·min-1) <45 VO2max (n=43) >45 VO2max (n=62) |
24.12 24.88 |
0.945 0.941 |
0.893 0.885 |
0.945 0.941 |
0.094 0.081 |
<0.001 <0.001 |
*
Level of significance (p < 0.05).
y = a · x + b (y=VE (ventilation); x=VCO2 (carbon dioxide output); a=VE/VCO2 slope; b= y-intercept).