Patients' data | N (%) or M ± SD |
---|---|
Age | 48 ± 19.5 |
Gender | |
Male | 99 (70.2%) |
Female | 42 (29.8%) |
History of smoking | |
No | 64 (45.4%) |
Yes | 77 (54.6%) |
Diagnosis | |
Respiratory | 54 (38.3%) |
Cardiovascular | 30 (21.3%) |
Neurological | 44 (31.2%) |
Others | 13 (9.2%) |
Invasive operation | |
No | 137 (97.2%) |
Yes | 4 (2.8%) |
Decreased level of consciousness | |
No | 88 (62.4%) |
Yes | 53 (37.6%) |
Duration of mechanical ventilation | 11 ± 4 |