Cox proportional hazards analysis for each multidimensional tool and comorbidity index o score
| Parameters | B | p Value | β | 95% CI | |
|---|---|---|---|---|---|
| GOLD ABCD | 0.38 | <0.001 | 1.47 | 1.28 | 1.70 |
| BODE quartiles | 0.70 | <0.001 | 2.02 | 1.76 | 2.31 |
| COTE | 0.22 | <0.001 | 1.25 | 1.18 | 1.32 |
| Charlson | 0.13 | <0.001 | 1.13 | 1.07 | 1.20 |
BODE, BMI, Obstruction, Dyspnea, Exercise; COTE, Copd cO-morbidity TEst (COTE); GOLD, Global Obstructive Lung Disease.