Table 1.
Clinical characteristics of the population and according to the subgroups without and with obstructive CAD
| Variables | Cohort | Without obstructive CAD | With obstructive CAD | p value |
|---|---|---|---|---|
| n = 712 | n = 567 (80%) | n = 145 (20%) | - | |
| Age | 58 (± 12) | 55 (± 12) | 66 (± 8) | < 0.001 |
| Male sex | 330 (46%) | 250 (44%) | 80 (56%) | 0.017 |
| Diabetes mellitus | 96 (13%) | 55 (13%) | 41 (28%) | < 0.001 |
| Arterial hypertension | 493 (69%) | 366 (65%) | 127 (88%) | < 0.001 |
| Dyslipidemia | 338 (47%) | 239 (42%) | 99 (68%) | < 0.001 |
| Family history of CAD | 122 (17%) | 74 (13%) | 48 (33%) | < 0.001 |
| Smoking | 240 (34%) | 177 (31%) | 63 (43%) | 0.005 |
| Chest pain | 165 (23%) | 85 (15%) | 80 (55%) | < 0.001 |
| Aortic valve impairment | 291 (41%) | 206 (36%) | 85 (59%) | < 0.001 |
| Mitral valve impairment | 302 (42%) | 249 (44%) | 53 (37%) | 0.109 |
| Aortic and mitral valve impairment | 109 (15%) | 102 (18%) | 7 (5%) | < 0.001 |
| CABG | 139 (20%) | 17 (3%) | 122 (84%) | < 0.001 |
Values expressed as mean ± SD or n (%). CAD: coronary artery disease; CABG: coronary artery bypass graft. Differences with p value < 0.05 were considered statistically significant. T test was used for the variable 'age', and chi-square test, for the other variables.