Participant | sex | age | APACHE II score | respiratory management | Reason for starting NPPV/NHF | Treatment | Data Collection with PSG | Semi-structured interview | Interview time |
A | man | 50 s | 24 | NPPV (mouth mask) | pulmonary edema | medical | NPPV and NHF first day night | 9 days after NPPV withdrawal | 28 minutes |
B | man | 70 s | 24 | NHF | acute pneumonia | medical | 8 days after NHV withdrawal | 26 minutes |