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. Author manuscript; available in PMC: 2010 Apr 1.
Published in final edited form as: Atherosclerosis. 2008 Jul 9;203(2):509–514. doi: 10.1016/j.atherosclerosis.2008.06.031

Table 4.

Secondary analyses: Multivariable-adjusted Regression of Individual Biomarkers on Ankle-brachial Index*

Geometric Means and 95% Confidence Intervals Ankle-brachial index Level

Biomarker <0.9 0.9 to 1.0 >1.0 to 1.4 p-value
C-reactive protein 2.91 (2.42, 3.51) 2.44 (2.15, 2.77) 2.19 (2.11, 2.28) 0.007
Interleukin-6 3.64 (3.21, 4.13) 3.09 (2.84, 3.37) 2.86 (2.78, 2.93) 0.0005
Fibrinogen 394 (381, 407) 372 (363, 381) 372 (369, 374) 0.005
Tumor necrosis factor alpha 1.43 (1.29, 1.58) 1.32 (1.24, 1.42) 1.25 (1.22, 1.27) 0.02
TNFR2 2258 (2142, 2379) 2087 (2013, 2164) 2009 (1987, 2030) <0.0001
*

Biomarkers with P<0.05 displayed.

For each biomarker (dependent variable), we exponentiated the adjusted mean log-transformed biomarker and its 95% confidence interval to obtain its adjusted geometric mean and corresponding 95% confidence interval. Covariates in multivariable model include covariates listed in Table 3 legend.

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