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Table 2 Intensive care unit stay characteristics

From: Prevention of ventilator-associated pneumonia by noble metal coating of endotracheal tubes: a multi-center, randomized, double-blind study

ICU stay characteristics NMA-coated group Control group p value
Hospital days before ICU admission 0 (0–3) 1 (0–6) 0.06
ICU days before intubation with study tubes 0 (0–2) 0 (0–3) 0.12
Ventilated patients before study tube insertion, n (%) 19 (11.3) 23 (14.8) 0.35
Ventilation days with conventional tubes before intubation with study tubes 0 (0–0) 0(0–0) 0.35
Ventilation days with study tubes 5 (3–9) 5 (3–8) 0.45
Reintubated patients, n (%) 24 (14.3) 26 (16.8) 0.54
Total ventilatory days 5.5 (3–11) 6 (3–10) 0.72
Length of ICU stay, days 11 (6–17) 11 (5–18) 0.79
Antibiotic days during study tube ventilation, n (%) 714 (66.7) 657 (73.5) 0.11
Antibiotic days during ICU stay, n (%) 1045 (57.9) 1072 (66.7) 0.06
Patients with other infections during ICU stay, n (%) 18 (10.7) 19 (12.3) 0.66
ICU mortality, n (%) 69 (41.1) 65 (41.9) 0.87
Hospital mortality, n (%) 84 (50.0) 80 (51.6) 0.77
  1. All data are presented as median (interquartile range) unless stated otherwise
  2. ICU intensive care unit; NMA noble metal alloy