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Table 4 Process-of-care of patients with community-acquired pneumonia according to etiologic categories (N° = 390)

From: Etiology of community-acquired pneumonia in a population-based study: Link between etiology and patients characteristics, process-of-care, clinical evolution and outcomes

Process-of-care Conventional Bacteria (N = 163) Atypical Agents (N = 151) Virus (N = 41) Mixed Infection (N = 35) Pvalue
Antibiotics prescribed      0.0004
Betalactam 39 (23.9) 33 (22.3) 9 (22.5) 4 (11.4)  
Macrolide 3 (1.8) 24 (16.2) 5 (12.5) 3 (8.6)  
Betalactam/macrolide 19 (11.7) 5 (3.4) 4 (10) 0 (0)  
Fluoroquinolone 99 (60.7) 85 (57.4) 22 (55) 28 (80)  
Others 3 (1.8) 1 (0.7) 0 (0) 0 (0)  
Taking antibiotics prior to diagnosis 25 (16.1) 27 (18.9) 7 (18) 7 (20.6) 0.9
Appropriate antibiotic therapy according to Spanish guidelines* 121 (74.2) 89 (60.1) 26 (65) 28 (80) 0.02
Appropriate antibiotic therapy according to American guidelines* 123 (75.5) 113 (76.4) 31 (77.5) 31 (88.6) 0.4
Antibiotics within 8 hours 111 (91.7) 34 (87.2) 8 (61.5) 21 (100) 0.002
Duration of antibiotic therapy after diagnosis, mean (SD), days 10 (2.5) 10.3 (2.1) 10.2 (1.5) 9 (2.6) 0.03
Duration of intravenous therapy after diagnosis, mean (SD), days†‡ 3.2 (3) 2.4 (2.1) 2.5 (1.8) 2.2 (1.4) 0.3
  1. SD = standard deviation.
  2. Data are presented as numbers (percentage) of patients unless otherwise stated. Percentages exclude patients with missing data. Treatment failure, septic shock, and severe sepsis are defined in text.
  3. *Appropriate antibiotic according to Spanish guidelines (reference 13). Appropriate antibiotic according American guidelines (reference 14).
  4. Only for hospitalized patients.
  5. Inhospital deaths are excluded.
  6. The p-value obtained from the Chi-square or Fisher exact test for categorical variables, and Kruskal-Wallis test for continuous variables.