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Table 3 Association of current smoking with baseline and progression of overall IMT and IMT components to never smokers*

From: Smoking status and common carotid artery intima-medial thickness among middle-aged men and women based on ultrasound measurement: a cohort study

  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
  1. *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.