Heart Rate Variability Analysis in Patients with Allergic Rhinitis

Table 2

Statistical comparison of HRV variables in control group and patient group.

	Control		Patient		𝑃 value
	Sitting; (mean ± SD)	Supine; (mean ± SD)	Sitting; (mean ± SD)	Supine; (mean ± SD)	Control; (sitting versus supine)	Patient; (sitting versus supine)	Sitting; (control versus patient)	Supine; (control versus patient)
RR interval	735.3 ± 58.3	815.8 ± 78.0	855.7 ± 135.9	892.18 ± 155	<0.001	0.656	0.017	0.132
VLF	6.5 ± 0.9	6.5 ± 1.2	6.8 ± 0.7	6.87 ± 1.5	0.972	0.858	0.421	0.535
LF	6.4 ± 0.8	5.9 ± 1.2	6.2 ± 1.0	5.95 ± 1.1	0.023	0.523	0.546	0.902
HF	5.3 ± 1.0	5.3 ± 0.8	5.9 ± 1.1	5.85 ± 1.2	0.499	0.886	0.207	0.147
TP	7.5 ± 0.7	7.3 ± 1.0	7.6 ± 0.8	7.66 ± 1.2	0.468	0.927	0.655	0.454
LF%	63.8 ± 14.1	54.5 ± 18.6	49.2 ± 15.5	43.45 ± 14.6	0.056	0.354	0.025	0.125
LF/HF	1.1 ± 0.7	0.7 ± 0.8	0.3 ± 0.7	0.10 ± 0.7	0.044	0.374	0.019	0.091

VLF: very-low-frequency power; LF: low-frequency power; HF: high-frequency power; TP: total power; LF%: LF percentage; LF/HF: ratio of LF to HF.