Table 3 Hormonal changes in the serum (M ± SD) after 8-days of water-only fasting and two physical exercise tests.

From: Metabolic and hormonal effects of an 8 days water only fasting combined with exercise in middle aged men

Values

Rest before fasting (1)

Rest after fasting (2)

Exercise before fasting (3)

Exercise after fasting (4)

Friedman’s Anova; p≤

Partial eta square ηp2

IGF-1 [ng/ml]

120.95 ± 32.84

65.21 ± 22.65**

133.72 ± 39.73##

73.06 ± 25.78

0.000001

0.108 (M)

IGF-2 [ng/ml]

1.65 ± 0.27

1.41 ± 0.18*

1.62 ± 0.19

1.58 ± 0.42

0.01430

0.016 (S)

IGF-BP3 [ng/mlµ]

2.91 ± 0.69

2.23 ± 0.65**

3.26 ± 0.63**; #

2.53 ± 0.57

0.00001

0.036 (S)

GH [ng/l]

1.47 ± 0.69

2.54 ± 1.43##

4.14 ± 3.68#

11.22 ± 5.57

0.00001

0.155 (L)

GHRL [ng/l]

1.55 ± 2.34

1.86 ± 2.77

1.69 ± 2.38

1.89 ± 2.70

0.05937

0.001 (S)

L [ng/ml]

2.21 ± 1.28

1.46 ± 0.34***

2.37 ± 1.45##

1.49 ± 0.33

0.000001

0.023 (S)

ORE-A [pg/ml]

346.68 ± 478.29

407.91 ± 537.26

379.75 ± 481.22

414.11 ± 497.12

0.39163

0.001 (S)

ORE-B [ng/L]

151.87 ± 190.63

163.65 ± 194.44

167.23 ± 217.18

179.58 ± 217.14

0.00609

0.001 (S)

C [ng/ml]

304.93 ± 89.81

499.05 ± 138.41*

309.78 ± 116.83###

515.41 ± 159.44

0.000016

0.093 (M)

  1. Dunn-Bonferroni comparisons: different than (1) *p < 0.05; **p < 0.01; ***p < 0.001; different than (4) #p < 0.05, ##p < 0.01, ###p < 0.001. Effect size: ηp2 = 0.01 indicates a small effect (S); ηp2 = 0.06 indicates a medium effect (M); and ηp2 = 0.14 indicates a large effect (L).
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