Pre

Post

t-value

p value

LF

5.91 ± 1.2

5.43 ± 0.7

1.17

p = 0.27

HF

6.07 ± 1.0

5.79 ± 0.8

1.13

p = 0.29

LF/HF

0.98 ± 0.2

0.96 ± 0.2

0.23

p = 0.83

TP

7.28 ± 0.6

7.01 ± 0.5

2.53

p = 0.03^*