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. 2014 Nov;237(1):5–12. doi: 10.1016/j.atherosclerosis.2014.07.038

Fig. 1.

Fig. 1

Association between APOE genotype and CHD in all individuals and stratified by smoking status. P-value for heterogeneity obtained from testing whether an interaction term between APOE and smoking represents the data better than no interaction term (tested using likelihood ratio test).