Table 2 Variables related to fat metabolism, ketosis, and protein metabolism (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

FFA [µmol/l]

220.55 ± 84.75

303.10 ± 122.53**

213.22 ± 62.28

251.66 ± 92.05

0.00216

0.019 (S)

GLY[mmol/l]

0.23 ± 0.07

0.30 ± 0.09*

0.33 ± 0.13**

0.43 ± 0.13

0.00001

0.089 (M)

TG [mmol/l]

90.23 ± 33.75

112.54 ± 28.1#

105.46 ± 36.68

136.23 ± 27.17

0.0001

0.056 (S)

β-HB[mmol/l]

0.31 ± 0.21

4.55 ± 1.04***

0.21 ± 0.16###

3.86 ± 1.06

0.000001

0.528 (L)

TP [g/L]

74.33 ± 4.14

74.60 ± 4.47###

81.54 ± 3.91***

81.82 ± 4.55

0.000001

0.110 (M)

U [mg/dl]

28.63 ± 5.05

32.05 ± 9.30

29.12 ± 4.83

32.81 ± 7.86

0.18964

0.012 (S)

UA [mg/dl]

6.56 ± 0.93

13.80 ± 2.48**

6.86 ± 0.96###

11.40 ± 2.49

0.000001

0.309 (L)

  1. Dunn-Bonferroni comparisons: different than (1) *p < 0.05; **p < 0.01; ***p < 0.001; different than (4) ###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).