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Table 1 Demographic and clinical characteristics of the study population (n = 126)

From: Pseudomonas aeruginosa acquisition on an intensive care unit: relationship between antibiotic selective pressure and patients' environment

Characteristic

 

Age (years)

57 ± 17

Male/female

72/54

SAPS II

45 ± 18

Hospitalization before admission

88 (70.0%)

Underlying conditions

0.7 ± 0.7

   immunosuppression

29 (23.0%)

   chronic respiratory failure

24 (19.0%)

   diabetes

22 (17.5%)

   heart disease

4 (3.2%)

   renal disease

4 (3.2%)

   cirrhosis

2 (1.6%)

Invasive device

 

   Mechanical ventilation (%)

78

Duration (days)

6 (2 to 10)

   Central venous catheter (%)

65

Duration (days)

5 (0 to 10)

   Nasogastric tube (%)

72

Duration (days)

6 (0 to 10)

   Enteral nutrition (%)

93

Duration (days)

6 (4 to 9)

   Foley catheter (%)

79

Duration (days)

6 (2 to 11)

Length of stay (days) median

8 (6 to 12)

ICU mortality

29 (23%)

  1. Values are shown as mean ± SD, n (%), or median (1st to 3rd quartile).
  2. SAPS II: Simplified Acute Physiology Score; ICU: intensive care unit.