Table 3 Correlation between the VHI domains and the frequency domain indices of heart rate variability
From: Vocal complaint in physical education teachers and its association with the cardiovascular system
Functional | Organic | Emotional | ||||
|---|---|---|---|---|---|---|
r | p | r | p | r | p | |
LF (ms 2 ) | 0.05 | 0.83 | -0.20 | 0.39 | 0.048 | 0.84 |
LF (nu) | -0.20 | 0.39 | 0.047 | 0.84 | -0.03 | 0.87 |
HF (ms 2 ) | 0.30 | 0.04 | -0.34 | 0.04 | 0.02 | 0.92 |
HF (nu) | 0.23 | 0.32 | -0.03 | 0.89 | 0.01 | 0.94 |
LF/HF | -0.21 | 0.38 | 0.04 | 0.87 | -0.03 | 0.89 |