Bivariate analysis | Full model | Stepwise model | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
OR | 95% CI | p | Adjusted OR | 95% CI | p | Adjusted OR | 95% CI | p | ||||
Age group, years old | ||||||||||||
70–79 | 0.906 | 0.797 | 1.030 | 0.131 | 0.793 | 0.685 | 0.918 | 0.002 | 0.806 | 0.697 | 0.931 | 0.003 |
60–69 | 0.683 | 0.570 | 0.815 | < 0.001 | 0.519 | 0.418 | 0.644 | < 0.001 | 0.528 | 0.427 | 0.652 | < 0.001 |
40–59 | 0.257 | 0.178 | 0.361 | < 0.001 | 0.182 | 0.119 | 0.272 | < 0.001 | 0.186 | 0.122 | 0.276 | < 0.001 |
18–39 | 0.114 | 0.028 | 0.304 | < 0.001 | 0.117 | 0.028 | 0.327 | < 0.001 | 0.117 | 0.028 | 0.327 | < 0.001 |
Length of stay (days) | 0.998 | 0.996 | 1.000 | 0.037 | 0.989 | 0.986 | 0.992 | < 0.001 | 0.990 | 0.987 | 0.992 | < 0.001 |
Previous medical history | ||||||||||||
Cardiac valve disease | 1.192 | 1.041 | 1.363 | 0.010 | 1.234 | 1.052 | 1.446 | 0.010 | 1.234 | 1.051 | 1.445 | 0.010 |
Rheumatic valve disease | 1.241 | 1.030 | 1.489 | 0.021 | 1.188 | 0.962 | 1.460 | 0.106 | 1.186 | 0.961 | 1.456 | 0.107 |
Cardiac devices | 1.135 | 0.931 | 1.375 | 0.5 | 0.994 | 0.798 | 1.231 | 0.957 | ||||
Arterial hypertension | 0.740 | 0.656 | 0.834 | < 0.001 | 0.703 | 0.612 | 0.807 | < 0.001 | 0.705 | 0.614 | 0.808 | < 0.001 |
Atrial fibrillation | 1.200 | 1.056 | 1.362 | 0.005 | 0.929 | 0.803 | 1.073 | 0.318 | ||||
Diabetes mellitus | 1.275 | 1.126 | 1.442 | < 0.001 | 1.056 | 0.916 | 1.215 | 0.453 | ||||
HIV | 1.618 | 1.094 | 2.346 | 0.013 | 2.548 | 1.614 | 3.958 | < 0.001 | 2.554 | 1.619 | 3.961 | < 0.001 |
Chronic renal failure | 1.685 | 1.436 | 1.973 | < 0.001 | 1.230 | 0.995 | 1.515 | 0.054 | 1.298 | 1.081 | 1.555 | 0.005 |
Chronic renal failure on hemodialysis | 1.679 | 1.307 | 2.142 | < 0.001 | 1.143 | 0.824 | 1.580 | 0.420 | ||||
Cancer | 1.215 | 1.035 | 1.422 | 0.016 | 1.271 | 1.065 | 1.513 | 0.007 | 1.277 | 1.070 | 1.520 | 0.006 |
Chronic hepatic disease | 1.753 | 1.386 | 2.204 | < 0.001 | 1.623 | 1.239 | 2.112 | < 0.001 | 1.628 | 1.243 | 2.118 | < 0.001 |
Infectious agents | ||||||||||||
Staphylococcus | 2.314 | 2.021 | 2.647 | < 0.001 | 1.836 | 1.551 | 2.171 | < 0.001 | 1.825 | 1.547 | 2.151 | < 0.001 |
Enterococcus | 1.199 | 0.968 | 1.475 | 0.090 | 1.187 | 0.931 | 1.505 | 0.161 | ||||
Anaerobes | 2.162 | 0.811 | 5.289 | 0.101 | 1.748 | 0.591 | 4.766 | 0.289 | ||||
Gram negative | 1.487 | 1.264 | 1.744 | < 0.001 | 1.215 | 1.008 | 1.460 | 0.039 | 1.220 | 1.012 | 1.465 | 0.035 |
In-hospital complications | ||||||||||||
Acute myocardial infarct | 2.361 | 1.777 | 3.117 | < 0.001 | 1.899 | 1.382 | 2.591 | < 0.001 | 1.908 | 1.388 | 2.604 | < 0.001 |
Heart failure | 1.503 | 1.335 | 1.693 | < 0.001 | 1.445 | 1.260 | 1.657 | < 0.001 | 1.424 | 1.245 | 1.629 | < 0.001 |
Ischemic stroke | 2.198 | 1.857 | 2.597 | < 0.001 | 2.265 | 1.871 | 2.737 | < 0.001 | 2.259 | 1.868 | 2.726 | < 0.001 |
Transient ischemic accident | 0.111 | 0.006 | 0.512 | 0.030 | 0.118 | 0.007 | 0.562 | 0.037 | 0.121 | 0.007 | 0.577 | 0.039 |
Hemorrhagic stroke | 3.299 | 2.483 | 4.371 | < 0.001 | 3.933 | 2.848 | 5.414 | < 0.001 | 3.893 | 2.823 | 5.354 | < 0.001 |
Acute renal failure | 3.378 | 2.899 | 3.933 | < 0.001 | 2.651 | 2.221 | 3.162 | < 0.001 | 2.641 | 2.214 | 3.146 | < 0.001 |
Systemic embolism | 1.810 | 1.157 | 2.766 | 0.007 | 1.014 | 0.590 | 1.703 | 0.960 | ||||
Central nervous system abscess/meningitis | 1.442 | 0.884 | 2.273 | 0.127 | 0.982 | 0.556 | 1.687 | 0.948 | ||||
Sepsis | 5.868 | 5.088 | 6.769 | < 0.001 | 4.673 | 3.969 | 5.505 | < 0.001 | 4.724 | 4.016 | 5.560 | < 0.001 |
Cardiac surgery | 0.712 | 0.589 | 0.855 | < 0.001 | 0.689 | 0.547 | 0.864 | 0.001 | 0.692 | 0.550 | 0.867 | 0.001 |