Table 2. Effects of PMF on HRV parameters.
|
Gender |
Baseline |
Fatigue |
t |
P |
d |
RMSSD (ms) |
Total |
33.26 ± 12.38 |
18.03 ± 10.33 |
5.22 |
0.000 |
0.50 |
M |
31.42 ± 13.35 |
16.76 ± 9.44 |
3.80 |
0.002 |
0.49 |
F |
35.72 ± 11.03 |
19.73 ± 11.61 |
3.44 |
0.006 |
0.52 |
SDNN (ms) |
Total |
51.46 ± 13.59 |
38.33 ± 12.58 |
3.41 |
0.002 |
0.33 |
M |
52.40 ± 15.04 |
34.38 ± 9.92 |
3.05 |
0.012 |
0.48 |
F |
50.72 ± 12.86 |
41.43 ± 13.89 |
1.85 |
0.087 |
0.21 |
nLF (nu) |
Total |
55.75 ± 13.01 |
66.08 ± 7.59 |
-3.57 |
0.002 |
0.35 |
M |
61.79 ± 9.13 |
66.86 ± 7.24 |
-1.65 |
0.124 |
0.19 |
F |
49.21 ± 13.73 |
65.08 ± 8.17 |
-3.48 |
0.005 |
0.52 |
nHF (nu) |
Total |
40.03 ± 9.57 |
30.36 ± 9.86 |
3.47 |
0.002 |
0.32 |
M |
37.27 ± 9.46 |
30.65 ± 10.88 |
2.15 |
0.050 |
0.25 |
F |
43.80 ± 9.81 |
29.97 ± 8.77 |
2.78 |
0.020 |
0.44 |
nLF/nHF (%) |
Total |
126.39 ± 78.59 |
211.72 ± 113.29 |
-4.29 |
0.000 |
0.40 |
M |
155.65 ± 85.37 |
209.07 ± 120.47 |
-1.94 |
0.073 |
0.21 |
F |
95.04 ± 56.78 |
214.56 ± 109.53 |
-4.46 |
0.001 |
0.61 |
RMSSD, root mean square of successive differences (RMSSD) in RR intervals; SDNN, standard deviation of normal-to-normal RR intervals; nLF, normal power of the low-frequency band (0.04–0.15 Hz); nHF, normal power of the high-frequency band (0.15-0.4 Hz); M, male; F, female.