Table 2.
Percentage of between-individual variation in symptoms explained by individual’s lung function and all measured characteristics combined
| Cough (%) | Phlegm (%) | Wheeze (%) | Dyspnea (%) | Any symptoms (%) | |
|---|---|---|---|---|---|
|
| |||||
| FEV1 | 3 | 8 | 2 | 28 | 78 |
| All measured characteristicsa | 26 | 39 | 39 | 49 | 91 |
Notes:
a
Visit, age, sex, BMI, Caucasian, comorbidities, anxiety/depression, smoking status, pack-years of smoking, any exacerbations in the past 12 months, MPR, diagnosed COPD, asthma diagnosis, and FEV1.
Abbreviations: BMI, body mass index; MPR, medication possession ratio.