Table 2b.

Concordance correlation using SHEP† as training set and SPRINT‡ as testing set and using SPRINT‡ as training set and SHEP† as testing set.

SPRINT‡ Intersection					SHEP† Intersection
	C.Cor	SE	2.50%	97.50%		C.Cor	SE	2.50%	97.50%
AGE	0.591	0.018	0.556	0.625	AGE	0.622	0.039	0.546	0.697
AS1§	0.608	0.018	0.573	0.642	AS1§	0.666	0.037	0.595	0.738
AS2||	0.565	0.018	0.529	0.601	AS2||	0.61	0.044	0.525	0.696

†Systolic Hypertension in the Elderly Program; ‡Systolic Blood Pressure Intervention Trial; §arterial stiffness 1; ||arterial stiffness 2.