Skip to main content

View full-text article in PMC

. Author manuscript; available in PMC: 2011 Oct 5.

Published in final edited form as: Circulation. 2010 Sep 20;122(14):1379–1386. doi: 10.1161/CIRCULATIONAHA.109.914507

Table 3.

Hemodynamic correlates of pulse pressure in younger and older participants.

Variables	Central Pulse Pressure				Peripheral Pulse Pressure
Variables	Estimate^*	P	Partial R²^†	Model R²	Estimate^*	P	Partial R²^†	Model R²
Age <50 years
Forward pressure wave	11.3±0.1	<0.001	0.80	0.93	9.1±0.1	<0.001	0.66	0.78
Reflection factor	3.4±0.1	<0.001	0.11		2.1±0.1	<0.001	0.04
Reflected wave overlap	1.3±0.1	<0.001	0.01		-0.2±0.1	0.03	0.0003
Age ≥50 years
Forward pressure wave	21.5±0.1	<0.001	0.90	0.97	18.3±0.1	<0.001	0.84	0.89
Reflection factor	5.5±0.1	<0.001	0.07		4.3±0.1	<0.001	0.05
Reflected wave overlap	0.8±0.1	<0.001	0.002		-0.2±0.1	0.16	0.0001

^*

Estimates expressed per 1 SD of the independent variable, adjusted for sex.

^†

Represents the increment in response variance explained upon stepwise entry of specific regressor variables.