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Table 10 Distribution type and analyses of the difference between F/NF regarding prerace performance indices

From: Characteristics, changes and influence of body composition during a 4486 km transcontinental ultramarathon: results from the Transeurope Footrace mobile whole body MRI-project

 

Values

Mean (SD)

Test on normal distribution Shapiro-Wilk [29]

Test on difference F/NF

Valid

Missing

 

n

n

(%)

F

NF

statistic

P

test type a

P b

PRY (years)

21

1

4.5

16.5

18.7

0.936

0.185c

ITT

0.530

nF M (n)

19

3

13.6

81.5

194.3

0.481

0.000

MWU

0.211

nF UM (n)

22

0

0

94.8

86.0

0.858

0.005

MWU

0.895

nF MSUM (n)

22

0

0

7.0

5.4

0.936

0.165c

ITT

0.146

PRTVol08 (km/week)

21

1

4.5

117.9 (34.3)

88.0 (20.8)

0.959

0.505c

ITT

0.032 d

PRTTime08 (hour/week)

21

1

4.5

13.0

11.9

0.971

0.761c

ITT

0.427

PRTInt08 (km/hour)

22

0

0

9.0 (1.47)

7.5 (0.93)

0.909

0.044

MWU

0.040 d

PRTVol09 (km/week)

21

1

4.5

126.1 (35.2)

89.7 (17.4)

0.956

0.435c

ITT

0.010 d

PRTTime09 (hours/week)

21

1

4.5

14.2

12.0

0.947

0.303c

ITT

0.159

PRRM (hours)

15

7

31.8

3.1

3.1

0.851

0.018

MWU

0.676

PRR50km (hours)

9

13

59.1

4.3 (0.57)

5.1 (0.26)

0.914

0.343c

ITT

0.026 d

PRR100km (hours)

17

5

22.7

9.5

10.4

0.933

0.248c

ITT

0.241

PRR6hr (km)

13

9

40.9

67.9

59.7

0.918

0.238c

ITT

0.218

PRR12hr (km)

10

12

54.5

99.9

87.3

0.940

0.548c

ITT

0.558

PRR24hr (km)

16

6

27.3

199.8 (22.5)

168.5 (26.0)

0.961

0.672c

ITT

0.036 d

  1. aITT: independent t-test; bbilateral (asymptotic) test; csignificance not shown (P >0.05): normal distribution accepted; dmean differences between finishers and non-finishers are significant. F, finishers; M, marathon; MSUM, multistage ultramarathon; MWU: Mann–Whitney-U test; n, number; NF, non-finishers; PRR, prerace records; PRT, prerace training; PRY, years of regular endurance running; IM, ultramarathon.
  2. Bold numbers mark significant P-values of the test on difference between F and NF.