. 2022 Apr 29;19(9):5413. doi: 10.3390/ijerph19095413

Table 2.

Performance in 30 s rowing test before and after the intervention within the HRW and PW groups.

Index	Group	Pre	Post	Interaction p-Value
MP (w)	HRW	401.00 ± 111.38	442.67 ± 112.47 *	0.090
MP (w)	PW	390.22 ± 189.97	390.11 ± 155.14
AP (w)	HRW	300.89 ± 91.08	321.33 ± 77.47 *	0.461
AP (w)	PW	290.78 ± 153.25	296.22 ± 123.52
30 s rowing distance (m)	HRW	172.22 ± 18.36	177.00 ± 14.54	0.573
30 s rowing distance (m)	PW	163.44 ± 29.33	172.00 ± 28.28
Predicted time of rowing 500 m (s)	HRW	107.68 ± 14.92	104.39 ± 10.21	0.609
Predicted time of rowing 500 m (s)	PW	113.42 ± 22.18	111.31 ± 19.56

* Indicates that the one-way repeated measures ANOVA showed significant differences between groups before and after the intervention, p < 0.05; HRW, hydrogen-rich water; PW: placebo water; MP, maximum power; AP, average power.