Association between bronchiectasis (BR) multimorbidity and forced expiratory volume in 1 s (FEV1)
| Multimorbidity | FEV1 in BR (%) | FEV1 in BR and multimorbidity (%) | p-value |
| Depression [30] | 69.3 | 61.9 | 0.1 |
| Anxiety [30] | 68.2 | 69.2 | 0.76 |
| Emphysema [28] | 69.2 | 35.0 | <0.01 |
| Hiatal hernias [31] | 90.4 | 75.4 | 0.02 |
| GORD [27] | 85.0 | 73.9 | 0.23 |
| Asthma [32] | 73 | 54 | |
| COPD [21] | 72.8 | 60.2 | <0.001 |
| COPD [20] | 76.0 | 51.0 | <0.05 |
| Rheumatoid arthritis [20] | 76.0 | 76.0 |