Table 1.
Descriptive statistics of anthropometric characteristics, predictor variables, DTK, MSF, and FMC tests scores stratified by groups.
| First Group (n = 28) |
Second Group (n = 24) |
Comparison Data | ||||
|---|---|---|---|---|---|---|
| Variables | Mean ± SD | Mean ± SD | MD | 95%CI MD | ES | 95%CI ES |
| Anthropometric data and predictor variables | ||||||
| Age (y) | 15.00 ± 1.36 *** | 12.45 ± 1.44 | 2.54 | 1.75, 3.32 | 1.82 | 1.16, 2.46 |
| Mass (kg) | 56.89 ± 7.5 | 53.40 ± 8.97 | 3.49 | 1.09, 8.08 | ||
| Height (cm) | 161.82 ± 5.41 *** | 153.61 ± 7.85 | 8.21 | 4.50, 11.93 | 1.23 | 0.63, 1.82 |
| BMI (kg/m2) | 21.70 ± 2.51 | 22.64 ± 3.68 | −0.93 | −2.67, 0.98 | ||
| SLJ (cm) | 175.52 ± 15.28 *** | 133.96 ± 15.43 | 41.56 | 33.00, 50.12 | 2.71 | 1.95, 3.47 |
| Knowledge component | ||||||
| DTK | 22.07 ± 4.23 *** | 16.66 ± 3.65 | 5.40 | 3.21, 7.60 | 1.36 | 0.75, 1.96 |
| MSF tests | ||||||
| PACER (no. of laps) | 24.42 ± 7.59 *** | 16.37 ± 7.50 | 8.05 | 3.84, 12.27 | 1.07 | 0.48, 1.65 |
| Handgrip (kg) | 32.84 ± 3.52 *** | 27.70 ± 4.81 | 5.13 | 2.73, 7.53 | 1.23 | 0.63, 1.82 |
| Push-ups (no. of push-ups) | 4.00 ± 4.37 * | 1.70 ± 2.37 | 2.29 | 0.36, 4.22 | 0.64 | 0.08, 1.19 |
| Plank (s) | 98.93 ± 33.65 *** | 61.62 ± 33.33 | 37.05 | 18.58, 56.02 | 1.11 | 0.52, 1.70 |
| FMC tests | ||||||
| T&C (no. of T&Cs) | 13.00 ± 1.63 ** | 11.37 ± 1.92 | 1.62 | 0.62, 2.63 | 0.92 | 0.34, 1.48 |
| K&R (no. of kicks) | 8.28 ± 1.51 * | 7.08 ± 2.18 | 1.20 | 0.13, 2.27 | 0.65 | 0.09, 1.21 |
| STS&Go (s) | 7.05 ± 0.39 *** | 7.99 ± 0.66 | −0.95 | −1.26, −0.64 | −1.79 | −2.43, −1.13 |
Note: SD: standard deviation; MD: mean difference; 95% CI: 95% confidence interval; ES: effect size; cm: centimeters; kg: kilograms; m: meters; s: seconds; *: p ≤ 0.05; ** ≤0.01; *** ≤0.001 significantly different from players included in the second group.