Rates of adherence to conventional criteria for initiation of weaning at time of pressure support ventilation initiation
| Conventional criterion | Conventional level for initiating weaning | Study patients not meeting criterion |
|---|---|---|
| PaO2:FiO2 (kPa) | >26 | 62 (30) |
| PEEP (cm H2O) | ≤5 | 127 (61) |
| RASS | ≥3 | 90 (43) |
| Cardiovascular stability | Stable | 102 (49) |
n=209. Data are presented as n (%).
PaO2,partial pressure arterial oxygen; PEEP, positive end-expiratory pressure; RASS, Richmond Agitation and Sedation Scale.