Table 3.
Mean and standard deviation for time-domain indices between before and after the postural change maneuver in the control protocol
| Index | Seated rest | 0-5 min | 5-10 min | 10-15 min | p |
|---|---|---|---|---|---|
| LF (nu) |
63±18 |
73.4±19 |
74.7±19 |
*74.3±18 |
0.020 |
| HF (nu) |
30±18 |
26.6±19 |
20.3±12 |
25.7±18 |
0.060 |
| LF/HF | 2.7±2 | 4.7±3 | 5±3 | 5±3 | 0.062 |
*Different from Control. N=12.
Legend: LF low frequency, HF high frequency, LF/HF - low frequency/high frequency ration, ms milliseconds, nu normalized units.