Table 3.
HR (beats/min) | HR variability (SDRR) | RSA (beats/s2) | LF (ms2/Hz) | HF (ms2/Hz) | LF/HF | D2 | |
---|---|---|---|---|---|---|---|
HR variability (SDRR) | r = −.121 | ||||||
RSA (ms2) | r = −.147 | r = .517*** | |||||
LF (ms2/Hz) | r = .048 | r = .446*** | r = .036 | ||||
HF (ms2/Hz) | r = −.101 | r = .605*** | r = .699*** | r = .431** | |||
LF/HF | r = .119 | r = −.108 | r = −.436** | r = .524*** | r = −.410** | ||
D2 | r = −.013 | r = −.504*** | r = −.044 | r = −.528*** | r = −.150 | r = −.342* | |
Respiration rate (Hz) | r = .046 | r = −.154 | r = −.194 | r = −.320* | r = −.260 | r = −.022 | r = .279 |
Abbreviations: BL, baseline; HR, heart rate; SDRR, standard deviation of the mean R-R interval; RSA, respiratory sinus arrhythmia; LF, low frequency band power; HF, high frequency band power; D2, correlation dimension.
p ≤ .05 (two-tailed).
p ≤ .01 (two-tailed).
p ≤ .001 (two-tailed).