There was no significant correlation between immature OCN-expressing EPCs and relative abundance of Lachnospiraceae NK4B4 (r = 0.05, P = 0.54) or Ruminococcus Gauvreauii (r = 0.003, P = 0.97), both of which were likely to be protective against CAD in our previous report [14]. Here, BGLAP is linked to coronary artery disorder.