CD40LG and Hypertension: Furthermore, we found that patients with hypertension had significantly lower values of anti-PC IgM, median (interquartile range (IQR)) of 39.9 (30.1 to 73.8), than those with normal blood pressure, median (IQR) of 54.5 (41.6 to 160.7) (p = 0.046).