Clinical outcomes in patients with AS and controls
| Mild AS (AVA >1.5 cm2) | Moderate AS (AVA 1.0–1.5 cm2) | Severe AS (AVA <1.0 cm2) | Control group | P value | |
| 30-day mortality, n (%) | 4 (6) | 1 (2.1) | 4 (12.5) | 9 (3.1) | 0.06 |
| Myocardial infarction, n (%) | 3 (4.5) | 4 (8.5) | 5 (15.6) | 3 (1.1) | 0.0001 |
| 30-day mortality + AMI, n (%) | 7 (10.6) | 5 (10.6) | 9 (28.1) | 12 (4.2) | 0.0001 |
| Time to surgery (days) | 3.3±2.2 | 2.8±1.9 | 3.2±4.4 | 2.6±1.64 | 0.0001 |
| LOS (days) | 15.9±7.0 | 14.7±4.5 | 15.7±7.6 | 14.6±5.6 | NS |
AMI, acute myocardial infraction; AS, aortic stenosis; AVA, aortic valve area; LOS, length of hospitalization.