Parameter

Recreational group

Baseline

Week 3

P value

Time domain

SDNN (ms)

57.52 ± 8.88

67.05 ± 8.91

0.0152

RMSSD (ms)

72.07 ± 8.43

71.02 ± 10.06

0.7848

Frequency domain

LF (ms²)

2227.73 ± 1180.78

2819.85 ± 1118.90

0.0893

HF (ms²)

1350.62 ± 756.59

2813.31 ± 5132.19

0.3534

LF/HF

3.04 ± 1.89

2.90 ± 1.26

0.8155