TABLE 5.

Correlation analysis between changes (After - Baseline) in basic physiological data and HRV of HI group.

	1	2	3	4	5	6	7	8	9	10	11
1.SpO2	1
2.SBP	−.2	1
3.DBP	.15	.38	1
4.MeanHR	.06	.25	−.31	1
5.MeanRR	−.01	−.25	.33	−.98***	1
6.SDNN	.11	−.5 *	−.3	−.13	.13	1
7.TINN	.02	−.47 *	.09	−.55 *	.56**	.59**	1
8.pNN50	.05	−.42 *	.24	−.76***	.79***	.5 *	.79***	1
9.HF	.19	−.46 *	−.31	−.13	.12	.6**	.18	.4	1
10.SD1	.01	−.44 *	−.29	−.13	.11	.93***	.44 *	.5 *	.79***	1
11.SD2	.12	−.42 *	−.14	−.28	.28	.94***	.65**	.6**	.55**	.91***	1

^* Stands for p < 0.05, ** stands for p < 0.01, *** stands for p < 0.001.