Table 2 Between-group differences for derived-GPS variables of acceleration and deceleration in the full season.

From: Weekly variations of accelerometer variables and workload of professional soccer players from different positions throughout a season

 

Mean (SD)

Comparative

Mean difference (95% CI)

P

Cohen's d (95% CI)

CV (%)

wAccZ1 (< 2 m/s2)

LDW: 297.58 (34.36)

LDW vs CDF

25.8 (− 48.0 to 99.6)

1.000

− 0.54 (− 1.58 to 0.49)

20.00

CDF: 271.75 (54.29)

LDW vs MDF

48.1 (− 28.9 to 125.1)

0.350

− 0.83 (− 1.93 to 0.27)

MDF: 249.47 (72.92)

CDF vs MDF

22.3 (− 57.0 to 101.6)

1.000

− 0.33 (− 1.42 to 0.77)

wAccZ2 (2 to 4 m/s2)

LDW: 93.00 (9.84)

LDW vs CDF

10.1 (− 11.0 to 31.2)

0.673

− 0.78 (− 1.83 to 0.27)

19.33

CDF: 82.93 (14.33)

LDW vs MDF

17.3 (− 4.7 to 39.4)

0.157

− 1.01 (− 2.13 to 0.11)

MDF: 75.65 (21.85)

CDF vs MDF

7.3 (− 15.4 to 30.0)

1.000

− 0.37 (− 1.47 to 0.73)

wAccZ3 (> 4 m/s2)

LDW: 8.87 (1.38)

LDW vs CDF

0.89 (− 1.26 to 3.03)

0.870

− 0.63 (− 1.67 to 0.41)

21.18

CDF: 7.98 (1.25)

LDW vs MDF

1.96 (− 0.28 to 4.20)

0.098

− 1.07 (− 2.20 to 0.06)

MDF: 6.91 (2.08)

CDF vs MDF

1.08 (− 1.23 to 3.38)

0.701

− 0.60 (− 1.71 to 0.52)

wDecZ1 (> − 2 m/s2)

LDW: 145.33 (16.39)

LDW vs CDF

11.4 (− 46.0 to 23.3)

1.000

− 0.52 (− 1.55 to 0.51)

19.54

CDF: 133.96 (24.77)

LDW vs MDF

25.2 (− 11.0 to 61.4)

0.248

− 0.91 (− 2.02 to 0.20)

MDF: 120.15 (34.76)

CDF vs MDF

13.8 (− 23.5 to 51.1)

1.000

− 0.43 (− 1.54 to 0.67)

wDecZ2 (− 2 to − 4 m/s2)

LDW: 47.92 (5.64)

LDW vs CDF

5.5 (− 6.8 to 17.9)

0.759

− 0.80 (− 1.85 to 0.26)

22.12

CDF: 42.38 (7.46)

LDW vs MDF

10.0 (− 2.9 to 22.9)

0.168

− 0.95 (− 2.07 to 0.16)

MDF: 37.93 (13.58)

CDF vs MDF

4.5 (− 8.8 to 17.8)

1.000

− 0.39 (− 1.49 to 0.71)

wDecZ3 (< − 4 m/s2)

LDW: 13.51 (2.04)

LDW vs CDF

2.02 (− 1.66 to 5.69)

0.494

− 0.88 (− 1.94 to 0.18)

24.42

CDF: 11.49 (2.27)

LDW vs MDF

3.28 (− 0.55 to 7.11)

0.110

− 1.06 (− 2.19 to 0.07)

MDF: 10.23 (3.75)

CDF vs MDF

1.26 (− 2.68 to 5.21)

1.000

− 0.39 (− 1.49 to 0.71)

wAccZ1/wDecZ1

LDW: 2.05 (0.03)

LDW vs CDF

2.02 (− 1.66 to 5.69)

1.000

− 0.56 (− 1.59 to 0.48)

2.87

CDF: 2.02 (0.05)

LDW vs MDF

3.28 (− 0.55 to 7.11)

0.996

0.47 (− 0.60 to 1.55)

MDF: 2.08 (0.09)

CDF vs MDF

1.26 (− 2.68 to 5.21)

0.348

0.71 (− 0.41 to 1.84)

wAccZ2/wDecZ2

LDW: 1.94 (0.07)

LDW vs CDF

− 0.01 (− 0.20 to 0.16)

1.000

0.18 (− 0.84 to 1.20)

6.65

CDF: 1.96 (0.09)

LDW vs MDF

− 0.09 (− 0.28 to 0.09)

0.622

− 0.59 (− 0.49 to 1.67)

MDF: 2.04 (0.22)

CDF vs MDF

− 0.08 (− 0.27 to 0.12)

0.900

0.46 (− 0.64 to 1.57)

wAccZ3/wDecZ3

LDW: 0.66 (0.05)

LDW vs CDF

− 0.04 (− 0.11 to 0.05)

0.546

0.69 (− 0.36 to 1.73)

8.29

CDF: 0.70 (0.07)

LDW vs MDF

− 0.03 (− 0.11 to 0.05)

1.000

− 0.58 (− 0.50 to 1.66)

MDF: 0.69 (0.05)

CDF vs MDF

0.01 (− 0.07 to 0.10)

1.000

− 0.20 (− 1.29 to 0.89)

  1. Notes: wAccZ1, weekly average of accelerations in zone 1 (< 2 m/s2) as number; wAccZ2, weekly average of accelerations in zone 2 (2 to 4 m/s2) as number; wAccZ3, weekly average of accelerations in zone 3 (< 4 m/s2) as number; wDecZ1, weekly average of decelerations in zone 1 (< − 2 m/s2) as number; wDecZ2, weekly average of decelerations in zone 2 (− 2 to − 4 m/s2) as number; wDecZ3, weekly average of decelerations in zone 3 (< − 4 m/s2) as number; wAccZ1/wDecZ1, ratio between weekly accelerations and decelerations in zone 1; wAccZ2/wDecZ2, ratio between weekly accelerations and decelerations in zone 2; wAccZ3/wDecZ3, ratio between weekly accelerations and decelerations in zone 3; LDW, lateral defenders and wingers; CDF, central defenders and forwards; and MDF, midfielders; P, P-value at alpha level 0.05; Cohen's d (95% CI), Cohen’s d effect size magnitude with 95% confidence interval; CV, coefficient of variations for overall team as percentage.
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