TABLE 3. Rest to Tilt Posture Change Comparison Between ZGC and TT.

Feature	ZGC					TT
	Rest	Tilt	% change in mean	% change in std.	p-value	Rest	Tilt	% change in mean	% change in std.	p-value
LF	0.145 ± 0.034	0.134 ± 0.033	0.08	0.008	0.151	0.150 ± 0.036	0.138 ± 0.028	0.092	0.273	0.098
HF	0.137 ± 0.038	0.149 ± 0.037	−0.08	0.021	0.033	0.125 ± 0.034	0.144 ± 0.040	−0.128	−0.131	0.02
SDNN	55.198 ± 17.952	57.250 ± 16.002	−0.036	0.122	0.472	47.629 ± 14.169	53.659 ± 18.340	−0.112	−0.227	0.028
SDNN5	41.707 ± 14.322	42.800 ± 14.508	−0.026	−0.013	0.681	38.683 ± 11.572	40.979 ± 15.098	−0.056	−0.234	0.302
RMSSD	38.926 ± 14.336	44.071 ± 11.725	−0.117	0.223	0.025	29.132 ± 11.951	39.825 ± 15.013	−0.269	−0.204	<0.001
pNN50	27.500 ± 19.072	55.750 ± 27.025	−0.507	−0.294	<0.001	14.786 ± 14.444	45.393 ± 32.304	−0.674	−0.553	<0.001
SDSD	38.914 ± 14.331	44.058 ± 11.718	−0.117	0.223	0.025	29.119 ± 11.952	39.815 ± 15.009	−0.269	−0.204	<0.001
SD1/SD2	0.388 ± 0.119	0.439 ± 0.122	−0.116	−0.029	0.02	0.331 ± 0.128	0.409 ± 0.113	−0.192	0.139	0.005
LF/HF	1.185 ± 0.576	1.009 ± 0.520	0.175	0.108	0.061	1.333 ± 0.646	1.100 ± 0.588	0.212	0.098	0.132