Pre

Post

t-value

p value

LF

5.08 ± 1.2

5.92 ± 1.2

−3.34

p = 0.009**

HF

5.23 ± 1.0

5.55 ± 1.0

−2.20

p = 0.056

LF/HF

0.97 ± 0.1

1.09 ± 0.2

−1.84

p = 0.10

TP

6.73 ± 0.7

7.12 ± 0.5

−3.83

p = 0.004**