From: Impact of heart failure and other comorbidities on mortality in patients with chronic obstructive pulmonary disease: a register-based, prospective cohort study
OR (95%CI)
Heart failure
7.06 (3.88–12.84)
Age
1.13 (1.11–1.14)
Male sex
1.78 (1.38–2.30)
RUB 4
2.03 (1.48–2.78)
RUB 5
4.78 (2.61–8.74)