Variable 1

Variable 2

t and p value

basal QTc, 397.16 ± 16.77 ms

thr. min QTc, 406.40 ± 12.78 ms

t = 7.02, p < 0.00001

basal QTcd, 41.35 ± 7.27 ms

third min QTcd, 53.61 ± 6.45 ms

t = 8.38, p < 0.00001

basal HR, 83.45 ± 10.43 beat/min

third min HR, 91.23 ± 7.73 b/mn

t = 3.98, p = 0.000157