INS and type 2 diabetes mellitus: Instead, significantly lower bFMD values emerged in patients with type 2 diabetes compared with those without type 2 diabetes (p = 0.005), as well as in those who were treated with either insulin, beta blockers (BBs), or angiotensin receptor blockers (ARBs) compared with those who were not (p = 0.023, p = 0.046, and p = 0.006, respectively).