Table 4.
Variables associated to 90-days mortality: odds ratio (OR) with 95% Confidence Interval (CI), at univariate analysis, and at stepwise logistic regression including (Model 1) or excluding (Model2) the Charlson index.
| Univariate | Model 1 | Model 2 | |
|---|---|---|---|
| OR (CI) | OR (CI) | OR (CI) | |
| Age (years) | 1.03 (1.02-1.04) | 1.03 (1.02-1.04) | 1.03 (1.02-1.04) |
| Gender (females vs males) | 0.89 (0.70-1.13) | ||
| Chronic renal failure | 1.83 (1.24-2.68) | 1.50 (1.02-2.20) | |
| Cancer | 1.76 (1.23-2.49) | 1.69 (1.20-2.38) | |
| Diabetes mellitus | 1.12 (0.81-1.52) | ||
| Previous heart failure | 2.24 (1.63-3.06) | 1.85 (1.35-2.56) | 1.80 (1.32-2.48) |
| Previous valve procedures | 1.11 (0.67-1.77) | ||
| Previous hospitalizations (3 mth) | 1.35 (1.07-1.71) | ||
| Charlson index 1 vs 0 | 2.19 (1.66-2.87) | 2.00 (1.52-2.65) | |
| Charlson index ≥2 vs 0 | 2.78 (2.09-3.70) | 2.44 (1.82-3.26) | |