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Table 3 Comparison of outcomes for CAL and HAL.

From: Clinical features and predictors of mortality in admitted patients with community- and hospital-acquired legionellosis: A Danish historical cohort study

  CAL HALa  
Variables No. (%) No. (%) p-valueb
Admission to intensive care unit 116 (42.6) 37 (61.7) 0.008*
Days in intensive care, median days (IQR) 12 (5-20) 10 (6-23) 0.79
Mechanical ventilation 93 (34.2) 32 (53.3) 0.06
Hemodialysis 43 (15.8) 18 (30.0) 0.01*
Inotropic support 86 (31.6) 29 (48.3) 0.02*
Medical complications    
Disseminated intravascular coagulation 9 (3.3) 3 (5.0) 0.53
Rhabdomyolysis 4 (1.5) 1 (1.7) 0.92
Myocardial infarction 5 (1.8) 4 (6.7) 0.04*
Cerebrovascular insult 5 (1.8) 0 (0) 0.29
Outcome    
30-day mortalityc 35 (12.9) 20 (33.3) x
90-day mortalityc 43 (15.8) 33 (55.0) x
  1. a A case was defined as hospital-acquired if the patient had been admitted within the preceding 10 days or if the patient developed
  2. symptoms of legionellosis more than 2 days after hospital admission.
  3. b Differences between the groups were analyzed with χ2 or Fisher's exact test as appropriate for categorical variables.
  4. Continuous variables were compared using two-sample t-test (normal distribution) or Mann-Whitney U-test (non-normal distribution).
  5. c For community-acquired cases time from admission. For hospital-acquired cases time from beginning of symptoms.
  6. No comparison between groups for these variables since baseline was defined in different ways.
  7. * P-level < 0.05 is considered statistically significant.
  8. IQR: Interquartile range.