Myokines in Response to a Tournament Season among Young Tennis Players
Table 1
The immunological response induced by physical workload during tournament season. Measures related to blood parameters at baseline and changes in the measures in the middle of season and at the end of the season in young tennis players ().
Baseline mean ± SD
Middle season change
After season change
Mean; CI
Inference
Mean; CI
Inference
TNFα (pgmL−1)
1.15 ± 0.44
−8.8%; −21.6 to 6.0%
Trivial↓
0.2%; −10.9 to 12.7%
Unclear
IL-6 (pgmL−1)
1.12 ± 0.57
92.5%; 64.1 to 126%
Large↑
280%; 182 to 413%
Very large
IL-10 (pgmL−1)
0.58 ± 0.21
73%; 11.3 to 169%
Moderate↑
38%; −24.4 to 152%
Small
HSP 70 ngmL−1
0.18 ± 0.16
36.8%; 9.6 to 70.8%
Small↑
126%; 57.4 to 223%
Small
HSP 27 ngmL−1
13.6 ± 7.11
5.9%; −6.9 to 20.6%
Trivial↑
31.2%; 12.6 to 52.8%
Small
IGF 1 ngmL−1
228 ± 68
5.2%; −5.3 to 16.8%
Trivial↑
9.5%; −7.9 to 30.2%
Unclear
IGFBP-3 ngmL−1
4137 ± 617
6.5%; 0.5 to 12.9%
Small↑
5.2%; −1.4 to 12.0%
Small
Irisin ngmL−1
24.2 ± 22.5
−9.0%; −23 to 7.2%
Moderate↓
−2.1%; −11.8 to 8.6%
Trivial
BDNF ngmL−1
50.9 ± 12.9
−14.7%; −38.5 to 18.2%
Unclear
−6.1%; −33.1 to 31.7%
Unclear
CI: 90% confidence interval. : increase; : decrease. Likelihood that the true effect is substantial: possible, likely, very likely, and most likely.