Table 4. Importance of different variables including the most common comorbid diagnoses for mortality in patients with COPD. Odds ratios (OR) were adjusted for all other variable

Heart failure

3.79 (1.94 -7.43)

Hypertension

0.56 (0.39 - 0.81)

Ischemic heart disease

0.94 (0.58 - 1.51)

Diabetes mellitus

1.76 (1.12 - 2.78)

Atrial fibrillation

2.07 (1.08 - 3.96)

Age

1.08 (1.07-1.10)

Male sex

1.56 (1.16 - 2.09)

RUB 4

1.82 (1.26 - 2.62)

RUB 5

5.22 (2.64 -10.32)