Research Article
The Analysis of How Apnea Influences the Autonomic Nervous System Using Short-Term Heart Rate Variability Indices
Table 2
Result of HRV during the normal respiratory condition and voluntary apnea.
| | Mean-RR (ms) | rMSSD (ms) | nLF (%) | nHF (%) | LF/HF | α1 |
| Normal | Respiratory state | 831.59 ± 19.34 | 41.57 ± 4.62 | 44.16 ± 2.71 | 55.84 ± 2.71 | 1.07 ± 0.15 | 0.94 ± 0.04 | 1st voluntary apnea | 867.71 ± 22.07 | 21.16 ± 2.1 | 52.05 ± 3.29 | 47.95 ± 3.29 | 1.79 ± 0.27 | 1.18 ± 0.09 | 2nd voluntary apnea | 873.36 ± 21.95 | 20.62 ± 1.83 | 52.43 ± 2.79 | 47.57 ± 2.79 | 1.53 ± 0.21 | 1.18 ± 0.07 | 3rd voluntary apnea | 874.32 ± 20.98 | 20.02 ± 1.49 | 51.96 ± 3.14 | 48.04 ± 3.14 | 1.66 ± 0.24 | 1.05 ± 0.08 | 4th voluntary apnea | 873.23 ± 22.35 | 21.21 ± 1.64 | 48.23 ± 3.01 | 51.77 ± 3.01 | 1.4 ± 0.23 | 1.13 ± 0.07 | 5th voluntary apnea | 874.89 ± 21.84 | 21.45 ± 1.72 | 52.98 ± 3.51 | 47.02 ± 3.51 | 2.1 ± 0.36 | 1.17 ± 0.07 | 6th voluntary apnea | 874.53 ± 22.33 | 19.73 ± 1.61 | 50.73 ± 3.05 | 49.27 ± 3.05 | 1.58 ± 0.22 | 1.21 ± 0.08 | 7th voluntary apnea | 867.8 ± 20.97 | 21.86 ± 1.98 | 52.76 ± 3.54 | 47.24 ± 3.54 | 2.24 ± 0.43 | 1.18 ± 0.08 | 8th voluntary apnea | 870.88 ± 20.6 | 21.17 ± 2.25 | 49.17 ± 3.16 | 50.83 ± 3.16 | 1.5 ± 0.2 | 1.15 ± 0.09 | 9th voluntary apnea | 871.18 ± 20.56 | 20.52 ± 1.68 | 55.91 ± 3.14 | 44.09 ± 3.14 | 1.91 ± 0.25 | 1.35 ± 0.08 | 10th voluntary apnea | 880.8 ± 21.77 | 21.2 ± 2.08 | 56 ± 3.11 | 44 ± 3.11 | 2 ± 0.25 | 1.11 ± 0.07 |
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Values are expressed as mean ± SE. Statistical significance between the 10 events of voluntary apnea with normal respiration: significant. |