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. Author manuscript; available in PMC: 2013 Apr 22.
Published in final edited form as: Chest. 2008 Mar 13;133(6):1344–1353. doi: 10.1378/chest.07-2245

Figure 4.

Figure 4

Impact of COPD on coefficient of variation for the 201 smoking-dependent highly variable probesets A. Coefficient of variation for smokers with COPD vs normal smokers. The shaded area represents those probesets with a higher coefficient of variation in the smokers with COPD. B. Frequency distribution of the coefficient of variation in normal smokers (□), and smokers with COPD (■). C. Distribution of coefficient of variation plotted against gene in rank order for the top 50 most variable genes for the normal smokers and the smokers with COPD.