Table 1.
Characteristic of the studied population
| Demographic characteristics | Survived (n = 238) |
Died (n = 37) |
Overall (n = 275) |
|---|---|---|---|
| Age, years (mean, SD) | 68 ± 16 | 79 ± 10 | 70 ± 16 |
| Male, n (%) | 130 (55%) | 27 (73%) | 157 (56%) |
| Diabetes, n (%) | 31 (13%) | 4 (11%) | 35 (13%) |
| Coronary artery disease, n (%) | 33 (14%) | 5 (14%) | 38 (14%) |
| Heart failure, n (%) | 37 (16%) | 5 (14%) | 42 (15%) |
| Atrial flutter and atrial fibrillation, n (%) | 28 (12%) | 11 (30%) | 39 (14%) |
| Active smoker, n (%) | 13 (5%) | 2 (5%) | 15 (5%) |
| Conduction disorders, n (%) | 28 (12%) | 4 (11%) | 32 (12%) |
| Chronic kidney disease (eGFR < 60 mL/min/m2), n (%) | 52 (22%) | 7 (19%) | 59 (21%) |
| Chronic Obstructive Pulmonary Disease, n (%) | 20 (8%) | 1 (3%) | 21 (8%) |
| Hypertension, n (%) | 98 (42%) | 18 (49%) | 116 (42%) |
| Stroke, n(%) | 21 (9%) | 6 (16%) | 27 (10%) |
| Chronic oral anticoagulation, n(%) | 39 (16%) | 9 (24%) | 48 (17%) |
| Chronic Antiplatelet therapy, n(%) | 55 (23%) | 9 (24%) | 64 (23%) |
| Anti-Arrhythmia Agents, n(%) | 19 (8%) | 6 (16%) | 25 (9%) |
| Vital signs, mean ± SD | |||
| Systolic blood pressure, (mmHg) | 135 ± 22 | 131 ± 26 | 134 ± 23 |
| Diastolic blood pressure, (mmHg) | 76 ± 14 | 73 ± 12 | 75 ± 14 |
| Heart rate, (/min) | 86 ± 16 | 84 ± 18 | 85 ± 16 |
| Respiratory rate, (/min) | 24 ± 6 | 27 ± 7 | 24 ± 6 |
| Oxygen flow rate, (l/min) | 1 ± 3 | 4 ± 5 | 1.5 ± 6 |
| Oxygen saturation (%) | 96 ± 3 | 96 ± 3 | 95 ± 3 |
| Heart related symptoms, n (%) | |||
| Chest pain | 35 (15%) | 0 (0%) | 35 (13%) |
| Palpitations | 6 (3%) | 0 (0%) | 6 (2%) |
| Outcome, n(%) | |||
| In-hospital mortality | 0 (0%) | 37 (100%) | 37 (14%) |