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. 2021 Feb 24;22:66. doi: 10.1186/s12931-021-01643-w

Table 2.

Comorbidities at enrolment

n (%)
N of patients with at least one comorbidity 171 (81.8)
Anxiety/depression 12 (5.7)
Arterial hypertension 103 (49.3)
Atherothrombotic disease, including coronary heart disease 27 (12.9)
Atrial fibrillation 9 (4.3)
Benign prostatic hypertrophy 25 (12.0)
Cerebrovascular disease (carotid stenosis, stroke) 13 (6.2)
Deep venous thrombosis (DVT) 1 (0.5)
Diabetes mellitus 45 (21.5)
Emphysema 8 (3.8)
Gastroesophageal reflux disease 49 (23.4)
Hypercholesterolaemia 17 (8.1)
Lung cancer 1 (0.5)
Peripheral arterial disease (symptomatic or ankle brachial index < 0.8) 2 (1.0)
Pulmonary hypertension 6 (2.9)
Renal insufficiency 5 (2.4)
Other 80 (38.3)
Previous myocardial infarction 23 (11.0)

Percentages calculated out of total number of evaluable patients. A patient could have more than one comorbidity