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Table 3 Ninety-day mortality comparing incident community-acquired Staphylococcus aureus bacteremia in patients with and with chronic heart failure (CHF), stratified by sex, age, and modified Charlson Comorbidity Index level

From: Chronic heart failure and mortality in patients with community-acquired Staphylococcus aureus bacteremia: a population-based cohort study

  Patients without CHF Patients with CHF
  Mortality % (95 % CI) Mortality % (95 % CI) Adjusteda MRR
Overall 30.4 (28.6–32.4) 44.6 (39.8–49.7) 1.2 (1.0–1.5)
Sex    
 Male 27.8 (25.5–30.3) 38.7 (33.1–45.0) 1.2 (1.0–1.5)
 Female 34.5 (31.4–37.7) 55.5 (47.4–63.9) 1.3 (1.0–1.7)
Age    
 15–39 years 5.4 (3.1–9.4) n/ab n/ab
 40–59 years 18.5 (15.5–22.0) 27.1 (16.7–42.0) 1.5 (0.8–2.7)
 60–79 years 31.6 (28.8–34.6) 44.9 (38.2–52.1) 1.6 (1.2–2.0)
 80+ years 53.3 (48.9–57.8) 54.4 (46.3–62.9) 1.1 (0.8–1.4)
Modified Charlson Comorbidity Index level    
 Low (0) 23.9 (20.9–27.2) 42.9 (30.0–59.1) 1.2 (0.7–1.9)
 Intermediate (1–2) 30.4 (27.4–33.7) 43.4 (35.4–52.4) 1.2 (0.9–1.6)
 High (3+) 37.2 (33.7–40.9) 45.7 (39.3–52.5) 1.3 (1.0–1.7)
  1. Reference group: patients without CHF
  2. CI confidence interval, MRR mortality rate ratio
  3. aAdjusted for age, sex, conditions included in the modified Charlson Comorbidity Index (excluding CHF), hypertension, alcohol related conditions, marital status, and antibiotic treatment within 30 days of admission
  4. bNot applicable due to absence of events