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Table 2 Baseline characteristics of patients and diagnosis on admission to the ICU (n = 106)

From: Biofilm formation on three different endotracheal tubes: a prospective clinical trial

Variable PVC tube (n = 34) SC tube (n = 30) NbMC tube (n = 42)
Patient characteristics
 Age, median (range) 67 (57–74) 69 (54–76) 69 (57–76)
 Sex, male 16 (47) 17 (57) 27 (64)
 BMI 26 (23–29) 28 (24–32) 26 (23–31)
 SAPS III score 67 (53–75) 63 (57–79) 64 (52–74)
 PPI use ≥ 24 h before intubation 19 (56) 13 (43) 24 (57)
 PPI use while intubated 32 (94) 29 (97) 38 (91)
 Antibiotic use ≥ 24 h before intubation 28 (82) 22 (73) 30 (71)
 Antibiotic use while intubated 33 (97) 28 (93) 42 (100)
 Days with invasive ventilation 3.3 (2.0–5.5) 3.0 (1.8–6.8) 3.6 (2.3–7.0)
Main diagnosis on admission to the ICU
 Sepsis 8 (23) 12 (40) 14 (33)
 Cardiovascular 5 (15) 1 (3.3) 3 (7.1)
 Respiratory insufficiency 11 (32) 13 (43) 19 (45)
 Trauma 4 (12) 1 (3.3) 1 (2.4)
 Coma GCS < 7 4 (12) 1 (3.3) 3 (7.1)
 Other 2 (5.8) 2 (6.7) 2 (4.8)
  1. Data are presented as median (q1–q3) or n (%). Abbreviations: ICU intensive care unit, PVC polyvinyl chloride, SC silicone-coated, NbMC noble-metal-coated, BMI body mass index, SAPS III Simplified Acute Physiology Score III, PPI proton pump inhibitor, GCS Glasgow Coma Scale