Table 3

Association of current smoking with baseline and progression of overall IMT and IMT components to never smokers*


Baseline
Progression

Current smoker
Never smoker
Difference
p value
Current smoker
Never smoker
Difference
P value

Women (N = 132)








Intima-medial thickness(μm)
679.7 ± 14.5
668.3 ± 10.6
11.3 ± 18.4
0.54
13.6 ± 3.1
10.3 ± 2.0
3.2 ± 3.7
0.38
Echogenic layer (μm)
375.0 ± 14.1
315.1 ± 10.3
59.9 ± 17.8
0.001
-4.7 ± 4.4
7.7 ± 3.0
-12.4 ± 5.3
0.02
Echolucent layer (μm)
316.0 ± 16.6
360.9 ± 12.1
-44.8 ± 20.9
0.03
0.6 ± 3.3
11.2 ± 5.2
-10.6 ± 6.1
0.09
Men (N = 164)








Intima-medial thickness(μm)
743.8 ± 11.1
680.0 ± 10.3
63.8 ± 15.9
<.0001
15.1 ± 2.3
11.1 ± 2.0
4.0 ± 3.2
0.22
Echogenic layer (μm)
389.3 ± 13.2
340.9 ± 12.8
48.4 ± 19.4
0.01
6.5 ± 4.0
8.3 ± 3.8
-1.8 ± 5.8
0.76
Echolucent layer (μm)
360.3 ± 11.2
346.2 ± 11.0
14.1 ± 16.6
0.40
8.3 ± 4.4
-0.2 ± 4.1
8.5 ± 6.3
0.18

*Data are presented as least-square mean ± standard error. The parameter estimates were obtained from individual growth models, adjusted for age, body height, and race/ethnicity.

Fan et al. BMC Cardiovascular Disorders 2006 6:42   doi:10.1186/1471-2261-6-42