. 2023 Jan;11(4):663–671. doi: 10.52547/rbmb.11.4.663

Table 2.

Effect of caffeine intake for treatments 1 and 2.

Treatment	Gender	Metabolizers group	n	Placebo (mL/kg/min)	Test (mL/kg/min)	p value
1	Male	Fast	8	29.55±4.13	31.89±4.76	0.012^a
	Male	Slow	8	32.27±4.79	35.01±5.58	0.018^a
	Female	Fast	7	24.80±1.93	26.53±3.05	0.017^a
	Female	Slow	7	25.63±3.43	26.96±3.57	0.016^a
2	Male	Fast	8	29.55±4.13	31.20±4.45	0.012^a
	Male	Slow	8	32.27±4.79	36.99±5.24	0.012a
	Female	Fast	7	24.80±1.93	26.29±3.51	0.058
	Female	Slow	7	25.63±3.43	27.44±3.92	0.027^a

Wilcoxon signed rank test, significant difference at α=5%.