Figure 5From: Polymorphism of tumor necrosis factor alpha (TNF-alpha) gene promoter, circulating TNF-alpha level, and cardiovascular risk factor for ischemic stroke Mean differences in cardiovascular traits by quartiles (Q) of serum TNF-α level. Subjects from the bottom quartile (Q1) were used as the reference group. BMI, body mass index; BP, blood pressure.Back to article page