| Age (n = 342) mean | (28 - 92) 69 (SD 11.58) | |
| BMI | ||
| 30 - 34.9 kg/m2 | Class 1 | 186 (54.39%) |
| 35 - 39.9 kg/m2 | Class 2 | 81 (23.68%) |
| ≥40 kg/m2 | Class 3 | 75 (21.93%) |
| Full Spirometry (n = 294) | ||
| With Airway Obstruction | 133 (45.29%) | |
| No airway Obstruction | 161 (54.76%) | |