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. Author manuscript; available in PMC: 2013 Nov 15.
Published in final edited form as: Clin Cancer Res. 2012 Sep 26;18(22):6169–6177. doi: 10.1158/1078-0432.CCR-11-3265

Figure 4.

Figure 4

Development of a nomogram including clinical variables and smoking history data for prediction of EGFR mutant status among Caucasian smokers (current or former). Mark the Smoking-free years on the axis and draw vertical line up to the Points axis to determine the number of points. Repeat the same for Pack-years, Gender and Age and sum the total points for all four variables. Plot the given number on the Total Points axis and draw a vertical line down to the Probability of EGFR mutation.