Age, (years) | 55.4 (6.3) |
|
Smoking history, (pack years) | 27.1 (19.3) |
|
No employment/retired | 29% |
|
Living alone | 9% |
|
Comorbiditya | 27% |
|
Chronic cough | 23% |
|
BMI | 26.6 (3.8) |
|
FEV1 (L) | 3.5 (0.7) |
|
FEV1 % predicted | 98 (16) |
|
Lung function | |
No airflow limitation | 59.7% |
Mild COPD (GOLD I) | 29.6% |
Moderate COPD (GOLD II) | 10.6% |
|
Functional limitations by dyspnoea | |
None | 74.9% |
Mild (MRC I-II) | 17.7% |
Moderate or severe (MRC III-V) | 7.3% |
|
Generic QOL componentsb (range 0–100) SF36 | |
Physical functioning | 86.3 (17.7) |
Role functioning (physical) | 85.9 (29.5) |
Bodily pain | 83.3 (22.5) |
General health | 66.1 (18.8) |
Vitality | 68.3 (19.2) |
Social functioning | 87.9 (18.4) |
Role functioning (emotional) | 88.9 (26.9) |
Mental health | 78.4 (16.4) |
|
Disease specific QOL componentsb (range 1–7) | |
QOLRIQ | |
Total score | 6.5 (0.5) |
Breathing problems | 6.1 (0.8) |
Physical problems | 6.4 (0.7) |
Emotions | 6.5 (0.7) |
General activities | 6.6 (0.8) |
Situations triggering or enhancing breathing problems | 6.7 (0.6) |
Daily and domestic activities | 6.5 (0.6) |
Social activities/relationships/sexuality | 6.8 (0.5) |