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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.

From: Increasing incidence and mortality of infective endocarditis: a population-based study through a record-linkage system

  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)