1.5 Age and Sex Differences in the Association of Brachial and Central Blood Pressure Variability with Arterial Stiffness

Table 3 Correlation between SBP variability and aortic pulse wave velocity in younger, middle-aged and older females

SBP variability	Younger adults Age ≤ 40 yrs N = 214		Middle-aged adults 40 < Age ≤ 60 N = 157		Older adults Age > 60 yrs N = 155
	r	p	r	p	r	p
Brachial
24 h time-weighted SD	0.08	0.26	0.12	0.14	0.25	0.002
Day SD	0.12	0.09	0.14	0.08	0.21	0.008
Night SD	0.03	0.62	0.07	0.37	0.22	0.006
Central
24 h time-weighted SD	0.11	0.12	0.20	0.01	0.24	0.003
Day SD	0.13	0.05	0.20	0.01	0.19	0.02
Night SD	0.07	0.31	0.10	0.22	0.21	0.008

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