Table 1 Characteristics of the patient population
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) |