Table 2.
Risk equation to incorporate Spanish utilities (linear regression model)
| Variables | Effect |
|---|---|
| Intercept | 0.8345 |
| Female (vs male) | −0.0875 |
| Low BMI (vs mean) | −0.0059 |
| High BMI (vs mean) | -0.0136 |
| Cardiovascular comorbidities (vs no) | −0.0074 |
| Other comorbidities (vs no) | −0.0074 |
| Smoker (vs ex-smoker) | −0.0244 |
| Age | 0.0012 |
| Number of exacerbations | −0.0291 |
| Post-bronchodilator FEV1 (%pred) | 0.0006 |
| mMRC 2–3 (vs 0–1) | −0.1541 |
| mMRC 4 (vs 0–1) | −0.5326 |
| Cough and sputum (vs no)a | −0.0672 |
Note:
a
Defined as answers ≥3 in the first two dimensions of the CAT (COPD Assessment Test) questionnaire.
Abbreviations: BMI, body mass index; FEV1, forced expiratory volume in 1 second; pred, predicted; mMRC, modified Medical Research Council.