Table 3.
Lung function and chest computed tomography (CT) findings at follow‐up
| Number (%) | BMI (kg/m2) | |||
|---|---|---|---|---|
| Total (n = 113) | <25 (n = 60) | ≥25 (n = 53) | p * | |
| Lung function | ||||
| FEV1 < 80%, % of predicted | 10 (8.8) | 5 (8.3) | 5 (9.4) | .06 |
| FVC < 80%, % of predicted | 2 (1.8) | 1 (1.7) | 1 (1.9) | .31 |
| FEV1/FVC < 70% | 1 (0.9) | 1 (1.7) | 0 | .44 |
| TLC < 80%, % of predicted | 8 (7.1) | 3 (5.0) | 5 (9.4) | .38 |
| RV < 80%, % of predicted | 26 (23) | 13 (21.7) | 13 (24.5) | .37 |
| VC < 80%, % of predicted | 3 (2.7) | 0 | 3 (5.7) | .11 |
| DLCO < 80%, % of predicted | 29 (25.7) | 18 (30) | 11 (20.8) | .35 |
| DLCO/VA < 80% | 11 (9.7) | 7 (11.7) | 4 (7.5) | .03 |
| Chest CT | ||||
| Number of patients | 99 | 54 | 45 | |
| GGO | 16 (16.2) | 6 (11.1) | 10 (22.2) | .38 |
| Irregular lines | 47 (47.5) | 19 (35.2) | 28 (62.2) | .34 |
| Bronchiectasis | 15 (15.2) | 5 (9.3) | 10 (22.2) | .31 |
| Nodular shadows | 54 (54.5) | 24 (44.4) | 30 (66.7) | .83 |
| Fibrosis | 18 (18.2) | 7 (12.9) | 11 (24.4) | .54 |
Abbreviations: DLCO, diffusion capacity for carbon monoxide; FEV1, forced expiratory volume in one second; FVC, forced vital capacity; GGO, ground‐glass opacity; RV, residual volume; TLC, total lung capacity; VC, lung capacity.
*
p values indicate differences between nonobese and obese patients. p < .05 was considered to indicate a statistically significant difference.