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Table 1 Characteristics of the patient population

From: Effect of tracheal suctioning on aspiration past the tracheal tube cuff in mechanically ventilated patients

Variable Total n = 25
Age (yr) 66 (55–76)
Sex (M/F) 13/12
Height (cm) 168 (160–172)
Internal diameter of tracheal tube (mm) 7.5 (7.5-7.5)
Ratio of suction catheter outer diameter to tracheal tube internal diameter 0.7 (0.7-0.7)
Previous duration of intubation (hr) 18 (11–31)
Ramsay score 6 (5–6)
Neuromuscular blockers use 9 (36)
Tidal volume (ml) 460 (380–530)
Respiratory rate (/min) 18 (17–22)
PEEP level (cm H2O) 5 (5–5)
Inspiratory flow (l/min) 26 (22–30)
Peak inspiratory pressure (cm H2O) 26 (23–30)
  1. Data are number (%) or median (25th-75th percentile) values.