Table 4 Correlation between the VHI domains and the geometric 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 | |
SD1 | 0.12 | 0.61 | -0.26 | 0.26 | 0.05 | 0.81 |
SD2 | 0.15 | 0.52 | -0.15 | 0.52 | 0.13 | 0.57 |
SD1/SD2 | 0.05 | 0.82 | -0.20 | 0.40 | -0.14 | 0.56 |
RRTri | 0.14 | 0.54 | -0.27 | 0.25 | 0.08 | 0.73 |
TINN | 0.14 | 0.55 | -0.15 | 0.53 | 0.24 | 0.31 |