TABLE 4.
Pearson’s product-moment correlations (r) and level of significance (p) between the absolute and (lean) body mass normalized O2max and cardio-circulatory variables.
| Absolute | Relative | ||||||
| kg–1 | kg–1 LBM | ||||||
| r | p | r | p | r | p | ||
| O2max (L⋅min–1) | max (L⋅min–1) | 0.76 | <0.001 | 0.75 | <0.001 | 0.66 | <0.001 |
| SVmax (mL) | 0.71 | <0.001 | 0.72 | <0.001 | 0.55 | 0.005 | |
| HV (mL) | 0.68 | 0.002 | 0.46 | 0.04 | 0.45 | 0.03 | |
| LVEDD (mm) | 0.30 | 0.18 | 0.56 | 0.006 | 0.47 | 0.03 | |
| LVMM (g) | 0.58 | 0.003 | 0.43 | 0.03 | 0.38 | 0.06 | |
| Hbmass (g) | 0.67 | 0.002 | 0.59 | 0.008 | 0.43 | 0.04 | |
| BVrest (mL) | 0.65 | 0.001 | 0.63 | 0.001 | 0.40 | 0.06 | |
| BVmax (mL) | 0.69 | 0.002 | 0.61 | 0.004 | 0.45 | 0.04 | |
| avDO2max (mL⋅dL–1) | −0.08 | 0.71 | 0.03 | 0.90 | 0.04 | 0.87 | |
| ΔSpO2max (%) | −0.42 | 0.04 | −0.37 | 0.08 | −0.29 | 0.17 | |
| HRmax (bpm) | −0.14 | 0.51 | −0.35 | 0.09 | −0.38 | 0.07 | |
| max (L⋅min–1) | HV (mL) | 0.64 | 0.001 | 0.49 | 0.02 | 0.49 | 0.02 |
| BVrest (mL) | 0.64 | 0.001 | 0.50 | 0.01 | 0.42 | 0.04 | |
| BVmax (mL) | 0.68 | 0.001 | 0.54 | 0.009 | 0.46 | 0.03 | |
| SVmax (mL) | 0.96 | <0.001 | 0.94 | <0.001 | 0.93 | <0.001 | |
| ΔSpO2max (%) | −0.58 | 0.005 | −0.66 | <0.001 | −0.57 | 0.005 | |
| HRmax (bpm) | −0.53 | 0.007 | – | – | – | – | |
| LVMM (g) | 0.44 | 0.03 | 0.25 | 0.26 | 0.21 | 0.33 | |
| SVmax (mL) | BVrest (mL) | 0.65 | 0.001 | 0.45 | 0.03 | 0.40 | 0.05 |
| BVmax (mL) | 0.70 | <0.001 | 0.53 | 0.01 | 0.49 | 0.02 | |
| HV (mL) | 0.66 | 0.001 | 0.50 | 0.01 | 0.51 | 0.01 | |
| LVEDD (mm) | 0.43 | 0.004 | 0.31 | 0.15 | 0.25 | 0.24 | |
| LVMM (g) | 0.52 | 0.01 | 0.32 | 0.14 | 0.32 | 0.13 | |
| HV (mL) | BVrest (mL) | 0.73 | 0.002 | 0.52 | 0.02 | 0.55 | 0.007 |
| BVmax (mL) | 0.77 | <0.001 | 0.61 | 0.03 | 0.65 | 0.001 | |
| LVEDD (mm) | 0.61 | 0.003 | 0.36 | 0.10 | 0.37 | 0.08 | |
| LVEDD (mm) | BVrest (mL) | 0.63 | 0.001 | 0.55 | 0.006 | 0.51 | 0.01 |
| BVmax (mL) | 0.58 | 0.006 | 0.50 | 0.02 | 0.25 | 0.05 | |
LBM, lean body mass; O2max, maximum oxygen uptake; rest, cardiac output at rest; max, maximum cardiac output; SVrest, stroke volume at rest; SVmax, maximum stroke volume; HV, heart volume; Hbmass, hemoglobin mass; BVmax, blood volume at maximum exercise; avDO2max, arteriovenous oxygen difference at maximum exercise; LVEDD, left ventricular end-diastolic diameter; LVMM, left ventricular muscle mass; SpO2max, peripheral oxygen saturation at maximum exercise.