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Table 4 Outcomes of study patients based on the presence of ventilator-associated lower respiratory tract infections

From: Accuracy of ventilator-associated events for the diagnosis of ventilator-associated lower respiratory tract infections

 VAP, n = 215VAT, n = 99No VA-LRTI, n = 745p
ICU mortality82 (38.1)20 (20.2)313 (42)< 0.001*¤
Duration of mechanical ventilation, days18 (11–31)18 (11–24)8 (6–13)< 0.001#*
Mechanical ventilation-free days1 (0–13)8 (0–15)11 (0–20)< 0.001#*¤
Length of ICU stay, days26 (15–42)25 (17–37)12 (8–18)< 0.001#*
Length of hospital stay, days31 (18–60)36 (24–56.3)17 (10–30)< 0.001#*
  1. Data are numbers (%), or median (interquartile range)
  2. d, days; VAP, ventilator-associated pneumonia; VAT, ventilator-associated tracheobronchitis
  3. * Significant difference between VAT and no VA-LRTI groups
  4. #Significant difference between VAP and no VA-LRTI groups
  5. ¤Significant difference between VAP and VAT groups