Table 2. Mechanical ventilation-related outcomes in 237 ICU patients.

Outcome	Frequency, n (%)
Prolonged mechanical ventilation*	20 (8%)
Tracheostomy	41 (17%)
Barotrauma	9 (4%)
Unplanned extubation	47 (20%)
Endotracheal tube block	91 (38%)
Failed first weaning attempt †	99/171 (58%)
Re-intubation after planned extubation †	50/171 (29%)

*Defined as mechanical ventilation > 21 days;

^†Denominator is the number of patients in whom weaning was attempted