FABP2 and diabetes mellitus: The levels of I-FABP were correlated to coronary total plaque volume (r = 0.22, p < 0.05) in the diabetes group, as well as with CAC score (r = 0.24, p < 0.05) and total mixed/soft plaque volume (r = 0.27, p < 0.05) on CTCA imaging.