Spoon Feed
Noninvasive ventilation (NIV) was superior to a standard non-rebreather (NRB) oxygen mask for preoxygenation of critically ill ED or ICU patients requiring intubation, with a NNT of 11 to prevent 1 episode of hypoxemia <85%.

Source
Noninvasive Ventilation for Preoxygenation during Emergency Intubation. NEJM. 2024 Jun 13.