ACE and diabetes mellitus: In relation to medical treatment, diabetics had the highest rates of previous use ofmedications such as calcium-channel blockers (22.8% of patients with DMvs. 18.1% of non-diabetic patients; P=0.003),angiotensin-converting enzyme inhibitors (50.5% of patients with DMvs. 46.5% of non-diabetic patients; P=0.046)and angiotensin II receptor blockers (20.2% of patients with DM vs.16.0% of non-diabetic patients; P=0.005), as shown in Table 2.