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Table 1 Demographic and clinical characteristics of the study cohort (n = 187)

From: Emergence of antimicrobial resistance to Pseudomonas aeruginosa in the intensive care unit: association with the duration of antibiotic exposure and mode of administration

Characteristics

Values

Mean age (SD), years

61 (14)

Male gender, n (%)

129 (69.0)

Mean Simplified Acute Physiology Score 3 score (SD)

59 (12)

Length of stay in intensive care unit, days, mean (range)

29 (2–145)

Previous non-antipseudomonal antibiotics, n (%)

79 (42.2)

Antibiotics during ICU stay

Piperacillin/tazobactam, n (%)

114 (61.0)

Meropenem, n (%)

102 (54.8)

Ceftazidime, n (%)

73 (39.0)

Amikacin, n (%)

72 (38.5)

Ciprofloxacin, n (%)

69 (36.9)

Types of antibiotics received

None

13 (7.4)

1

35 (19.9)

2–3

94 (53.5)

4–5

34 (19.2)

Reason for ICU admission, n (%)

Cardiovascular/vascular

55 (29.4)

Respiratory

46 (24.6)

Neurological

32 (17.1)

Gastrointestinal

25 (13.4)

Sepsis/septic shock

15 (7.5)

Trauma

10 (5.3)

Others

5 (2.7)

Mechanical ventilation, n (%)

160 (83.8)

Therapy with one or more vasopressors, n (%)

169 (88.5)

  1. SD standard deviation