Table 1.
Patient demographic and clinical characteristics
| n = 134 | ||
|---|---|---|
| Sex | ||
| Male | 90 (67.2%) | |
| Female | 44 (32.8%) | |
| BMI (kg/m2) | 26.04 ± 5.92 | |
| Obesity | 6 (4.5%) | |
| Age (years) | 57.75 [18–83] | |
| Comorbidities | ||
| One | 59 (44.0%) | |
| Two or more | 41 (30.6%) | |
| CCI | ||
| High | 90 (67.2%) | |
| Low | 15 (11.2%) | |
| Absent | 29 (21.6%) | |
| Smoking | 67 (50.0%) | |
| COPD | 36 (26.9%) | |
| Difficult airway | 3 (2.2%) | |
| ASA scale | ||
| Grade I | 13 (9.7%) | |
| Grade II | 61 (45.5%) | |
| Grade III | 56 (41.8%) | |
| Grade IV | 4 (3.0%) | |
| Etiologies | ||
| Pulmonary tumors and metastasis | 91 (67.9%) | |
| Respiratory conditions | 32 (23.9%) | |
| Non-respiratory conditions | 11 (8.2%) | |