Table 1.
Baseline characteristics of the patients (N = 405)
| Demographics | |
| Age—mean years ± SD | 66 ± 14.6 |
| Female sex—n (%) | 114 (28.1) 8/26 (30.8) |
| Body mass index—mean ± SD | 26.3 ± 3.9 |
| Risk factors and medical history [n. (% on total number)] | |
| Hypertension | 251 (62.0) 20/26 (76.92) |
| Diabetes mellitus | 55 (13.6) 0/26 (0) |
| Dyslipidaemia | 218 (53.8) 1/26 (3.85) |
| Former smoker | 109 (26.9) 23/26 (88.46) |
| Active smoker | 70 (15.6) 1/26 (3.85) |
| Previous stroke | 10 (2.6) 1/26 (3.85) |
| Previous MI | 33 (8.1) 10/26 (38.46) |
| Previous CABG | 2 (0.5) 8/26 (30.77) |
| Previous PCI | 58 (14.3) 21/26 (80.77) |
| Myocardial bridge site [n./total n. (%)] | |
| Left anterior descending artery | 392/405 (96.8) 1/26 (3.9) |
| Left circumflex artery | 6/405 (1.5) 11/26 (42.3) |
| Right coronary artery | 2/405 (0.5) |
| Posterior descending artery | 2/405 (0.5) 0/26 (0) |
| First diagonal branch of LAD | 2/405 (0.5) |
| First septal branch of LAD | 1/405 (0.2) |
MI, myocardial infarction; CABG, coronary artery bypass graft; PCI, percutaneous coronary intervention; LAD, left anterior descending artery; n., number; SD, standard deviation.