Parameter | Experimental group | |||
Baseline | Week 3 | P value | ||
Time domain | SDNN (ms) | 56.90 ± 10.00 | 87.62 ± 13.89 | <0.0001 |
RMSSD (ms) | 59.26 ± 16.03 | 86.61 ± 7.78 | <0.0001 | |
Frequency domain | LF (ms2) | 2559.90 ± 1244.25 | 1911.53 ± 882.15 | 0.0464 |
HF (ms2) | 1830.13 ± 859.29 | 3430.40 ± 858.38 | <0.0001 | |
LF/HF | 2.80 ± 1.91 | 2.96 ± 1.29 | 0.7710 |