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Table 2 T-test of the physical performance metrics between starters and non-starters players

From: Starters and non-starters soccer players in competition: is physical performance increased by the substitutions?

  

Starter players

(n = 16)

Non-starter players

(n = 16)

t

p

d

Absolute data

Distance (m)

6644.9

±

1616.2

3228.3

±

1121.4

4.913

0.000

2.46

Accelerations (count)

1987.0

±

459.1

968.1

±

282.3

5.347

0.000

2.67

Decelerations (count)

1993.5

±

456.3

973.1

±

277.0

5.407

0.000

2.70

Explosive distance (m)

601.5

±

155.1

280.1

±

103.2

4.879

0.000

2.44

Player Load (a.u.)

90.5

±

25.8

46.2

±

17.0

4.058

0.002

2.03

Power Metabolic (W/kg)

17598.6

±

4280.2

8377.2

±

2939.9

5.023

0.000

2.51

Stay/Walk 0–6 (m)

535.9

±

151.2

212.0

±

99.4

5.063

0.000

2.53

Relative

data

Distance/time (m/min)

97.2

±

10.9

95.6

±

12.2

0.274

0.788

0.14

Accelerations (count/min)

29.9

±

1.7

29.0

±

2.8

0.793

0.444

0.39

Decelerations (count/min)

29.3

±

2.0

29.2

±

2.9

0.134

0.895

0.04

Explosive distance (m/min)

8.8

±

1.1

8.3

±

1.5

0.696

0.499

0.38

LSRD (m/min)

36.9

±

17.9

39.7

±

19.5

− 0.291

0.775

− 0.15

MDSRD (m/min)

20.8

±

7.8

21.6

±

6.4

− 0.232

0.820

− 0.11

HSRD (m/min)

4.3

±

1.4

4.0

±

1.2

0.416

0.684

0.23

VHSRD (m/min)

2.2

±

1.1

1.8

±

1.0

0.695

0.498

0.38

SPD (m/min)

1.4

±

0.8

1.0

±

0.7

1.180

0.258

0.53

Player Load (a.u./min)

1.3

±

0.2

1.4

±

0.3

− 0.387

0.705

− 0.39

Power Metabolic (W/kg/min)

226.7

±

91.9

213.8

±

87.9

0.287

0.779

0.14

  1. LSRD: low speed running distance covered between 6 to 12 km·h− 1; MSRD: medium speed running distance covered between 12 to 18 km·h− 1; HSRD: high-speed running distance covered between 18 to 21 km·h− 1; VHSRD: very high-speed running distance covered between 21 to 24 km·h− 1; SPD: sprint running distance covered between 24 to 50 km·h− 1