Table 3

Hormone/Cytokine Concentrations.

Variable
AA (n = 15)
PLA (n = 16)
Significance

PGF2α (pg·ml-1)



     Day 0
164.6 ± 104.4
183.6 ± 96.0
Group: 0.89
     Day 25
221.5 ± 153.2
281.5 ± 248.2
Time: 0.06
     Day 50
209.7 ± 226.3
150.0 ± 104.5
G × T: 0.14
PGE2 (pg·ml-1)



     Day 0
224.3 ± 145.7
293.6 ± 256.7
Group: 0.97
     Day 25
288.5 ± 191.2
314.8 ± 236.1
Time: 0.65
     Day 50
322.8 ± 281.2
219.9 ± 163.6
G × T: 0.06
tTEST (ng·ml-1)



     Day 0
21.4 ± 24.8
14.0 ± 12.1
Group: 0.25
     Day 25
18.7 ± 22.4
12.2 ± 7.1
Time: 0.24
     Day 50
18.7 ± 18.3
12.2 ± 7.7
G × T: 0.83
fTEST (pg·ml-1)



     Day 0
25.3 ± 14.7
24.9 ± 19.6
Group: 0.82
     Day 25
23.1 ± 12.1
20.0 ± 12.1
Time: 0.03
     Day 50
22.3 ± 13.6
22.3 ± 15.0
G × T: 0.87
CORT (μg·dl-1)



     Day 0
34.0 ± 24.1
26.2 ± 10.6
Group: 0.44
     Day 25
28.2 ± 20.0
23.1 ± 7.8
Time: 0.06
     Day 50
36.8 ± 22.9
34.2 ± 35.8
G × T: 0.57
IL-6 (pg·ml-1)



     Day 0
137.2 ± 69.6
120.1 ± 92.1
Group: 0.63
     Day 25
138.0 ± 83.1b
172.6 ± 90.5a
Time: 0.001
     Day 50
108.4 ± 48.6a
127.0 ± 56.8
G × T: 0.03

Values are expressed as means ± SD.

AA: Arachidonic acid, PLA: placebo, PGF2α: prostaglandin F2α, PGE2: prostaglandin E2, tTEST: total testosterone, fTEST: free testosterone, CORT: cortisol, IL-6: interleukin-6.

aSignificant within-group difference from baseline values, p < 0.05.

bSignificant group × time (G × T) interaction, p < 0.05.

Roberts et al. Journal of the International Society of Sports Nutrition 2007 4:21   doi:10.1186/1550-2783-4-21