Table 4.

The effect of beverage on the QT–RR relationship (n = 26).

Parameters	Energy Drink	Placebo	Difference	p-Value
Time 1 h	0.683	0.646	0.047	0.069
Time 2 h	0.655	0.700	−0.062	0.007 **
Time 3 h	0.695	0.685	−0.017	0.316
Time 4 h	0.602	0.561	0.049	0.443

Median was used for non-normally distributed variables. ** p < 0.01.