Table 4.
Pearson's correlation coefficients (r and p values) between the raw data (in counts) from all of the GT3X® ActiGraph accelerometer axes and those obtained using the Cortex Metamax 3B (VO2, in mL/kg/min).
| Values | Cortex Metamax 3B | GT3X Actigraph accelerometer axes |
|||
|---|---|---|---|---|---|
| Vertical | Anterior-posterior | Medial-lateral | Vector magnitude | ||
| Raw data, means (SD) | 9. 5 ± 3.0 | 5975.9 (4317.3) | 3693.9 (2242.5) | 3525.4 (2374.9) | 8412.5 (4568.9) |
| Correlation coefficients | – | 0.28 | 0.12 | 0.53a | <0.71a |
| p-Values | – | 0.14 | 0.51 | <0.001 | <0.001 |
WET = work-energy theorem.
a
Statistically significant.