Table 1. Univariate analysis results for the exploratory and validation datasets.
| Exploratory (n = 165) | Validation (n = 92) | P | Cohen’s d | |
|---|---|---|---|---|
| Age (years) | 15.57 ± 0.26 | 15.55 ± 0.28 | 0.570 | 0.075 |
| Years from PHV (years) | 1.82 ± 0.61 | 1.84 ± 0.56 | 0.850 | -0.024 |
| Height (cm) | 177.1 ± 6.8 | 178.4 ± 5.8 | 0.115 | -0.196 |
| Body mass (kg) | 74.7 ± 10.9 | 76.9 ± 11.3 | 0.143 | -0.203 |
| Sum of Skinfolds (mm) | 40.1 ± 15.6 | 42.4 ± 16.7 | 0.281 | -0.143 |
| Vertical Jump (cm) | 39.7 ± 5.6 | 38.9 ± 5.4 | 0.288 | 0.139 |
| Medicine Ball Throw (m) | 5.8 ± 0.8 | 5.8 ± 0.8 | 0.541 | -0.080 |
| 10 m Sprint (s) | 1.84 ± 0.16 | 1.88 ± 0.16 | 0.129 | -0.205 |
| 60 m Sprint (s) | 8.20 ± 0.41 | 8.22 ± 0.39 | 0.744 | -0.046 |
| Agility 505 right (s) | 2.48 ± 0.16 | 2.44 ± 0.13 | 0.049 | 0.249 |
| Agility 505 left (s) | 2.51 ± 0.14 | 2.47 ± 0.13 | 0.067 | 0.241 |
| Estimated VO2max (ml.kg-1.min-1) | 50.6 ± 4.8 | 50.2 ± 4.2 | 0.555 | 0.077 |