As shown in Figure 1, serum A-FABP levels were significantly higher in women than in men in both CAD group (19.0 ng/ml (11.7–25.9) vs. 8.9 ng/ml (5.3–12.5), P<0.001) and non-CAD group (14.4 ng/ml (7.4–22.9) vs. 6.5 ng/ml (4.4–10.7), P<0.001). Here, FABP4 is linked to coronary artery disorder.