Medication use, by microvascular function
| Variable | Normal microvascular endothelial function (n=199) | Microvascular endothelial dysfunction (n=258) | P value |
| Aspirin use, n (%) | 85 (43) | 133 (52) | 0.06 |
| ACE inhibitor use, n (%) | 33 (17) | 40 (16) | 0.75 |
| Beta-blocker use, n (%) | 52 (26) | 81 (31) | 0.22 |
| Calcium channel blocker use, n (%) | 68 (34) | 88 (34) | 0.96 |
| Lipid-lowering drug use, n (%) | 66 (33) | 111 (43) | 0.03 |
| Antiarrhythmic use, n (%) | 14 (7) | 20 (8) | 0.77 |
| Anticoagulant use, n (%) | 18 (9) | 34 (13) | 0.18 |
| Antihypertensive use, n (%) | 41 (21) | 60 (23) | 0.50 |
| Nitrates use, n (%) | 67 (34) | 93 (36) | 0.60 |
| Diuretics use, n (%) | 33 (17) | 45 (17) | 0.81 |
| Oral hypoglycaemic use, n (%) | 7 (4) | 14 (5) | 0.33 |
| Insulin use, n (%) | 5 (3) | 8 (3) | 0.71 |