Variable | DC | AC |
|---|
r
|
P
|
r
|
P
|
|---|
SDNN (ms) | 0.716 | <0.001 | -0.682 | <0.001 |
SDANN (ms) | 0.595 | 0.005 | -0.567 | 0.006 |
rMSSD (ms) | 0.571 | 0.007 | -0.548 | 0.008 |
LF (ms2) | -0.518 | 0.038 | 0.413 | 0.057 |
HF (ms2) | 0.486 | 0.043 | -0.398 | 0.062 |
LF/HF ratio | -0.458 | 0.041 | 0.387 | 0.060 |
- AC acceleration capacity of the heart rate, DC deceleration capacity of the heart rate, HF high-frequency power, LF low-frequency power, rMSSD the root mean square value of the standard deviations of the successive differences between adjacent normal RR intervals in the whole 24-h period, SDANN the standard deviation of the average normal RR intervals in all 5-min segments, SDNN the standard deviation of all normal RR intervals
