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Baseline demographics and comorbidities68 Patients, 20 institutions
| Age | 66.8 ± 12.3 (range 31–91) |
| Sex | 21 female (30%) |
| 47 male (70%) | |
| BMI | 28 ± 4.2 (range 25–35) |
| No comorbidities | 19 (27.9%) |
| 1 comorbidity | 30 (44.2%) |
| > 1 comorbidity | 19 (27.9%) |
| Hypertension | 26 (38%) |
| COPD | 6 (8.8%) |
| Diabetes | 15 (22%) |
| CKD | 2 (2.9%) |
| Cancer | 5 (7.3%) |
| Other cardio-pulmonary diseases | 14 (20.5%) |
