Table 3.
Summary of HRV results. The results are represented as group mean ± standard deviation.
| HRV measurement phase |
AHR (bmp)* | SDNN (ms)* | rMSSD (ms)* |
LF/HF (n.u.) | HFN (%) | |
|---|---|---|---|---|---|---|
| TD | 1 | 90.1±12.4 | 64.2±24.3 | 38.2±20.5 | 2.7±1.6 | 31.2±10.3 |
| 2 | 90.0±12.1 | 69.7±24.3 | 36.9±17.7 | 4.5±5.2 | 22.8±8.0 | |
| 3 | 93.1±12.5 | 66.4±28.0 | 32.6±17.1 | 3.4±1.6 | 26.3±10.0 | |
| 4 | 91.0±13.0 | 72.0±26.3 | 36.4±18.2 | 4.4±3.0 | 22.7±9.5 | |
| 5 | 92.9±13.3 | 65.4±27.2 | 33.2±17.7 | 4.1±0.3 | 25.2±10.5 | |
| ASD | 1 | 95.2±14.0 | 56.9±20.1 | 32.2±15.6 | 2.9±1.8 | 29.5±10.8 |
| 2 | 96.1±13.7 | 61.1±20.9 | 31.4±15.6 | 3.7±2.1 | 24.7±9.9 | |
| 3 | 99.8±12.9 | 56.8±23.4 | 27.4±14.0 | 3.4±1.7 | 25.2±8.3 | |
| 4 | 97.0±13.0 | 60.6±23.8 | 30.6±15.5 | 3.7±1.9 | 24.1±8.4 | |
| 5 | 99.4±13.4 | 57.1±23.3 | 28.0±13.9 | 3.8±2.6 | 24.3±9.3 | |
| NDD | 1 | 100.1±13.8 | 51.4±18.3 | 27.9±12.6 | 2.4±1.2 | 32.6±10.4 |
| 2 | 98.9±13.1 | 54.6±18.2 | 28.6±12.3 | 3.1±1.6 | 27.3±9.1 | |
| 3 | 105.3±13.4 | 44.8±13.6 | 22.1±9.1 | 3.0±1.3 | 26.9±7.5 | |
| 4 | 101.5±13.8 | 51.5±19.2 | 26.7±12.2 | 3.7±2.0 | 24.6±9.6 | |
| 5 | 104.7±14.5 | 45.9±15.4 | 23.3±12.3 | 3.5±1.8 | 25.5±9.4 | |
*
Significant group difference (ANCOVA p< 0.0001).
bmp = beats per minute
SDNN = standard deviation of normal to normal (NN) intervals
rMSSD = root mean square of successive differences
LF = low frequency
HF = high frequency