Table 2 Bland and Altman 95% confidence limits of the number and the distance covered in different accelerations and decelerations sections.
From: Integrating video tracking and GPS to quantify accelerations and decelerations in elite soccer
Variables | Bias | Estimate (sd*1.96) | Lower CL | Upper CL | β | f2 |
|---|---|---|---|---|---|---|
Number of acceleration–deceleration | ||||||
Acceleration 0/1 m/s2 | − 181.31 | 167.06 | − 348.37 | − 14.25 | − 0.34* | 0.12 |
Acceleration 1/2 m/s2 | − 12.08 | 40.06 | 52.15 | 27.98 | − 0.21* | 0.04 |
Acceleration 2/3 m/s2 | 0.14 | 17.45 | − 17.31 | 17.59 | 0.00 | 0.00 |
Acceleration > 3 m/s2 | 1.79 | 10.14 | − 8.36 | 11.93 | − 0.02 | 0.00 |
Deceleration 0/− 1 m/s2 | − 165.31 | 161.74 | − 327.06 | − 3.57 | − 0.32* | 0.11 |
Deceleration − 1/− 2 m/s2 | − 31.17 | 46.05 | − 77.23 | 14.88 | − 0.30* | 0.09 |
Deceleration − 2/− 3 m/s2 | − 2.66 | 16.92 | − 19.58 | 14.27 | − 0.01 | 0.00 |
Deceleration > − 3 m/s2 | 1.81 | 11.63 | − 9.82 | 13.44 | 0.07 | 0.00 |
Distance in acceleration–deceleration | ||||||
Acceleration 0/1 m/s2 | − 25.83 | 119.08 | − 144.91 | 93.25 | − 0.10 | 0.01 |
Acceleration 1/2 m/s2 | 18.44 | 138.71 | − 157.15 | 120.26 | 0.05 | 0.00 |
Acceleration 2/3 m/s2 | − 13.09 | 128.43 | − 141.52 | 114.34 | − 0.03 | 0.00 |
Acceleration > 3 m/s2 | − 24.50 | 93.43 | − 117.94 | 68.93 | − 0.06 | 0.00 |
Deceleration 0/− 1 m/s2 | 71.15 | 134.04 | − 205.19 | 62.89 | 0.29* | 0.08 |
Deceleration − 1/− 2 m/s2 | 11.98 | 111.57 | 123.55 | 99.59 | 0.07 | 0.00 |
Deceleration − 2/− 3 m/s2 | − 1.82 | 86.64 | − 88.47 | 84.82 | − 0.09 | 0.01 |
Deceleration > − 3 m/s2 | − 5.49 | 56.82 | − 50.33 | 63.30 | 0.01 | 0.00 |