FABP4 and cardioembolic stroke: The median FABP4 levels were higher for cardioembolic stroke [n=77] compared to those of other stroke subtypes [N=129] (18.9 [IQR, 14.0-27.8] vs. 17.3 [11.2-21.7] ng/ml; P=0.012; Figure 1A), with significance.