Table 2.

Results of a two-way ANOVA test for the effects of hypertension and age on the HRV in young, middle-aged, and older participants.

Parameters	Source of variance	Wakefulness			nREM
		F	p	Post hoc	F	p	Post hoc
RR	Hypertension	3.508	0.064		3.492	0.065
	Age	2.087	0.130		0.133	0.875
	Hypertension × age	1.042	0.357		2.008	0.140
TP	Hypertension	0.024	0.876		0.357	0.552
	Age	27.255	< 0.001	a > b; a > c; b > c	17.090	< 0.001	a > b; a > c; b > c
	Hypertension × age	2.050	0.135		2.630	0.078
HF	Hypertension	1.434	0.234		0.995	0.321
	Age	14.511	< 0.001	a > b; a > c; b > c	13.255	< 0.001	a > b; a > c; b > c
	Hypertension × age	1.884	0.158		1.018	0.366
LF	Hypertension	0.037	0.848		0.930	0.337
	Age	21.756	< 0.001	a > b; a > c; b > c	15.092	< 0.001	a > c; b > c
	Hypertension × age	0.491	0.614		0.298	0.743
LF/HF	Hypertension	0.188	0.665		1.400	0.240
	Age	0.437	0.647		1.969	0.146
	Hypertension × age	1.973	0.145		1.937	0.150
LF%	Hypertension	1.077	0.302		5.395	0.023	Hypertension > control
	Age	0.834	0.438		0.945	0.393
	Hypertension × age	1.040	0.358		2.025	0.138

a—individuals aged 30–39 years; b—individuals aged 40–59 years; c—individuals aged 60–79 years.