Characteristics | O2 | NIV/CPAP | Trachea |
Patients no. | 186 | 262 | 192 |
Age (years) | 65 ± 6 | 68 ± 8 | 71 ± 6 |
Gender | 52F 134M | 67F 195M | 49F 143M |
Diabetes % | 10 | 12 | 9 |
Cardiopathy % | 25 | 27 | 35 |