Table 1 Descriptive statistics (mean ± standard deviation) for the 5v5 match outcomes, comparing players with lower and higher final velocity at 30–15 Intermittent Fitness Test.

From: Higher final speed in 30–15 intermittent fitness tests correlates with soccer's locomotor demands, not heart rate responses in small-sided soccer games

 

Lower VIFT (mean ± SD)

Higher VIFT (mean ± SD)

Mean difference (%)

p-value

Effect size (d)

HR average (bpm)

165.8 ± 6.2

169.5 ± 5.1

2.24 ± 9.43

p = 0.102

d = 0.667 [95%CI: –0.131;1.451]

HR peak (bpm)

184.3 ± 4.4

186.2 ± 3.7

1.03 ± 9.43

p = 0.258

d = 0.454 [95%CI: –0.330;1.229]

Total distance (m/min)

99.5 ± 6.1

106.1 ± 6.7

6.64 ± 9.43

p = 0.015*

d = 1.033 [95%CI: 0.202;1.846]

High-intensity running (m/min)

7.1 ± 1.8

8.2 ± 1.9

15.49 ± 9.43

p = 0.152

d = 0.580 [95%CI: –0.211;1.361]

High-speed running (m/min)

2.3 ± 1.3

2.8 ± 1.4

21.74 ± 9.43

p = 0.377

d = 0.342 [95%CI: –0.412;1.089]

  1. VIFT, final velocity at 30–15 Intermittent Fitness Test; HR, heart rate; SD, standard deviation; bpm, beats per minute; m, meters; min: minute; d, cohen’s d value.
  2. *significantly different for a p < 0.05.
Back to article page