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Table 1 Clinical characteristics of study population

From: Evaluation of semi-quantitative scoring of Gram staining or semi-quantitative culture for the diagnosis of ventilator-associated pneumonia: a retrospective comparison with quantitative culture

Number of patients 51
Male (n, %) 30 (59%)
Age (median, IQR) 51 (0–71)
Weight (median, IQR) 42 (4.9–60)
Surgical patients (n, %) 41 (80%)
Duration of mechanical ventilation (median, IQR d) 31 (13–104)
ICU stay (median, IQR d) 43 (15–104)
ICU mortality (n, %) 19 (37%)
Total hospital mortality (n, %) 24 (47%)
Number of samples 136
Antibiotics within 24 h of endotracheal aspiration (n, %) 64 (47%)
Use of saline during endotracheal aspiration (n, %) 64 (47%)