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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: J Am Soc Hypertens. 2011 Apr 13;5(4):230–238. doi: 10.1016/j.jash.2011.02.006

Table 2.

Variability Measures of Blood Pressure from childhood to Adulthood

White Black Race Difference
Male
n=317		 Female
n=401		 Male
n=125		 Female
n=210		 Male Female
SBP (mmHg)
Variability I 13.1 8.1** 17.0 13.2** <0.001 <0.001
Variability II 4.2 3.9** 4.7 4.5 <0.001 <0.001
Variability III 7.6 6.1** 10.3 8.5** <0.001 <0.001
DBP (mmHg)
Variability I 11.7 8.7** 12.4 10.9** 0.100 <0.001
Variability II 4.0 4.0 4.4 4.5 0.017 <0.001
Variability III 7.5 5.9** 8.9 7.4** <0.001 <0.001

Variability I = age related trend; Variability II = deviations around age-predicted values; Variability III = deviations from overall mean

Sex difference within racial group:

*

p<0.05;

**

P<0.01

Chen W, et al. American College of Cardiology 59th Annual Scientific Session 2010. The Bogalusa Heart Study. (33)