Table 2. Mean and 95% confidence interval estimates of different physical parameters from centre backs, analysed according to the tactical system used, and respective p-value and effect size of differences observed (n = 4; observations = 37).
| Variables | CB | p-value | Effect Size (r) | |
|---|---|---|---|---|
| 1-4-5-1 | 1-3-5-2 | |||
| TotDist (m) | 10865.0 (227.6) | 10591.8 (224.0) | 0.825 | 0.15 |
| HIR counts | 36.1 (3.5) | 28.2 (3.5) | 0.008 | 0.37 |
| HIR dist (m) | 512.0 (81.5) | 431.0 (81.3) | 0.658 | 0.18 |
| Sprint counts | 6.6 (1.9) | 5.4 (1.9) | 0.871 | 0.15 |
| Sprint dist (m) | 64.4 (29.6) | 74.2 (29.5) | 0.999 | 0.06 |
| Acc dist (m) | 325.6 (37.6) | 306.9 (37.6) | 0.982 | 0.10 |
| Acc counts | 63.2 (6.1) | 59.7 (6.1) | 0.983 | 0.10 |
| Dec dist (m) | 321.2 (41.7) | 278.5 (41.6) | 0.543 | 0.20 |
| Dec counts | 60.3 (6.9) | 53.6 (6.9) | 0.680 | 0.18 |
| Turns | 32.2 (3.5) | 25.8 (3.4) | 0.437 | 0.21 |