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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