. Author manuscript; available in PMC: 2013 Mar 25.

Published in final edited form as: J Am Soc Echocardiogr. 2012 May 22;25(8):882–890. doi: 10.1016/j.echo.2012.04.018

Table 1.

Characteristics of participants

Characteristic	Normal BP (n = 90)	Hypertension (n = 58)	P
Anthropometrics
Age (y)	44.6 ± 15.2	57.7 ± 10.6	<.0001
Women	50 (55.6%)	29 (50.0%)	.17
Height (cm)	171.± 6 9.7	169.1 ± 9.7	.13
Weight (kg)	76.4 ± 15.4	79.1 ± 12.7	.27
Body mass index (kg/m²)	25.8 ± 3.7	27.6 ± 3.0	.003
Body surface area (m²)	1.89 ± 0.22	1.90 ± 0.19	.77
Questionnaire data
Treated for hypertension	–	34 (58.6%)	–
Handgrip test performance
Handgrip force (kg)	13.1 ± 4.3	13.0 ± 4.2	.93
Test duration (sec)	288 ± 63	281 ± 47	.45
Echocardiographic data
LV mass index (g/m²)	88.0 ± 19.2	99.5 ± 21.4	.0006
Relative wall thickness	0.36 ± 0.047	0.40 ± 0.052	<.0001
Transmitral E/A ratio	1.45 ± 0.54	1.05 ± 0.27	<.0001
Mitral annular e′ (cm/sec)	12.2 ± 3.20	9.36 ± 2.26	<.0001
DTI e′/a′ ratio	1.57 ± 0.76	0.96 ± 0.35	<.0001
E/e′ ratio	6.38 ± 1.36	7.83 ± 1.86	<.0001

Data are expressed as mean ± SD or as number (percentage). P values are for the differences between participants with normal BP and those with hypertension.