. Author manuscript; available in PMC: 2010 Feb 1.

Published in final edited form as: Angiology. 2009 Jul 27;61(1):37–41. doi: 10.1177/0003319709339588

Table 3.

Regression estimates for linear trend of small artery elasticity index regressed on age in three age groups.

Age Groups	Intercept (95% CI) (ml × mmHg⁻¹)	Slope (95% CI) (ml × mmHg⁻¹× year⁻¹)	R	R²	P Value
< 30 years	2.44 (0.28 to 4.60)^*	0.36 (0.24 to 0.48)^**	0.66	0.44	< 0.0001
30-50 years	12.52 (6.39 to 18.64)^**	−0.10 (−0.25 to 0.05)	−0.24	0.06	0.189
≥ 50 years	14.01 (8.38 to 19.64)^**	−0.13 (−0.22 to −0.04)^*	−0.36	0.13	0.006

p < 0.01

^**

p < 0.001.