A total of 4 studies reported Lp-PLA2 mass levels,[24,25,30,33] whereas 10 studies reported Lp-PLA2 activity levels.[23–29,31–33] A total of 3 studies included results of both Lp-PLA2 assays.[24,25,33] In addition, 2 studies further reported the results of the etiological classification of stroke.[24,26]. The gene discussed is PLA2G7; the disease is Stroke.