Morbimortality
The median hospital length of stay was 39
(Q1-Q3 30-49) days, varying from 41
(Q1-Q3 32-46) days in the clinical group
and 38 (Q1-Q3 28-53) in the surgical one
(p =0.485).
Overall all-cause in-hospital mortality was 41.9%, a rate significantly
lower in patients who underwent a surgical procedure compared to those
clinically managed (49.4% in clinical vs. 34.1% in surgical group;p =0.047).
On multivariate analysis (Table 6), diabetes mellitus (OR 2.56, 95% CI
1.1-5.9), previous structural heart disease (OR 3.1, 95% CI 1.4-5.9)
and mitral valve infection (OR 2.1, 95% CI 1.1-4.5) were the predictors
of in-hospital mortality. Surgical treatment was the only variable
related to better outcome (OR 0.45; 95% IC 0.2-0.9).