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Best subset models, multivariate Cox-regression
| Factors | HR | SE | p |
|---|---|---|---|
| Best exacerbation subset model | |||
| FEV1 %Ref | 0.889 | 0.0414 | 0.0046 |
| Sputum | 1.439 | 0.1492 | 0.0150 |
| Best re-exacerbation subset model | |||
| Coronary heart disease | 1.567 | 0.226 | 0.047 |
| Hospitalization for any reason | 0.583 | 0.306 | 0.078 |
