Table 3 Results of two-way ANOVA test for the effects of hypertension and age on the arterial pressure variability parameters in young, middle-aged, and older participants.

Parameters	Source of variance	Wakefulness			nREM
Parameters	Source of variance	F	p	Post hoc	F	p	Post hoc
BP	Hypertension	70.414	< 0.001	Hypertension > control	44.639	< 0.001	Hypertension > control
	Age	4.464	0.015		1.902	0.158
	Hypertension × age	0.248	0.781		1.574	0.215
BLF	Hypertension	0.620	0.434		1.813	0.183
	Age	3.606	0.033	a > c	0.854	0.431
	Hypertension × age	0.379	0.686		2.515	0.089
BrrLF	Hypertension	4.524	0.037	Control > hypertension	0.014	0.907
	Age	1.238	0.296		6.680	0.002	a > c; b > c
	Hypertension × age	2.035	0.139		0.267	0.766
BrrHF	Hypertension	11.949	0.001	Control > hypertension	17.338	< 0.001	Control > hypertension
	Age	1.752	0.181		10.513	< 0.001	a > b; a > c; b > c
	Hypertension × age	2.558	0.085		2.514	0.089
BrrA	Hypertension	7.364	0.009	Control > hypertension	8.510	0.005	Control > hypertension
	Age	6.446	0.003	a > c; b > c	10.960	< 0.001	a > b; a > c; b > c
	Hypertension × age	1.447	0.243		3.814	0.028
BrrD	Hypertension	3.798	0.056		4.325	0.042	Control > hypertension
	Age	8.492	0.001	a > c; b > c	7.812	0.001	a > b; a > c; b > c
	Hypertension × age	0.485	0.618		2.006	0.143

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

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