Table 5.
Match-play movement patterns with the ingestion of 3 mg·kg−1 bm of caffeine or a placebo in professional handball players with different genotypes in the 1976T > C polymorphism of the ADORA2A gene.
| Variable (Units) | ADORA2A Genotype | Placebo | Caffeine | % Change | ES [95%CI] | Interaction |
|---|---|---|---|---|---|---|
| ACC (number/min) | TT | 18.25 ± 2.97 | 19.91 ± 1.81 | 9.1 | 0.67 [0.20, 1.15] | 0.409 |
| C-allele | 18.87 ± 1.07 | 18.94 ± 0.90 | 0.4 | 0.07 [−0.04, 0.18] | ||
| DEC (number/min) | TT | 18.97 ± 2.60 | 18.96 ± 2.69 | −0.1 | 0.00 [−0.47, 0.46] | 0.810 |
| C-allele | 19.00 ± 0.98 | 18.66 ± 1.00 | −1.8 | −0.34 [−0.46, −0.23] | ||
| BI (number/min) | TT | 24.93 ± 11.62 | 30.16 ± 16.08 | 21.0 | 0.37 [−0.09, 0.84] | 0.753 |
| C-allele | 23.61 ± 11.65 | 25.31 ± 13.10 | 7.2 | 0.14 [0.03, 0.25] |
Abbreviations: ACC: acceleration; DEC: decelerations; BI: body impacts. ES: effect size; CI: confidence interval.