Table 5. The correlations between the frequency domain parameters and the MI.

Parameters	MI (OSAHS group)		MI (control group)
	r	P	r	P
VLF [%]	0.626	0.001**	0.433	0.058
LF [%]	-0.022	0.919	-0.029	0.942
HF [%]	-0.632	0.001**	-0.363	0.064
LF/HF	0.591	0.011*	0.254	0.089
LF [n.u.]	0.553	0.004**	0.233	0.672
HF [n.u.]	-0.553	0.004**	-0.233	0.672
VLF[abs]	0.525	0.007**	0.346	0.535
LF [abs]	0.374	0.066	0.179	0.089
HF [abs]	-0.085	0.688	-0.054	0.599

* P<0.05;

** P<0.01.