TABLE 2.
Cohort characteristics regarding socio-demographic data, comorbidities, and data concerning disease course and outcome.
| Cohort characteristics | Percentage (frequency) or median value (with interquartile range) | |
| Sex | Male | 63% (136) |
| Female | 37% (80) | |
| Age (years) | Median: 67.0 (IQR 17.75) | |
| COMORBIDITIES | ||
| Arterial hypertension | 67.6% (146) | |
| Diabetes mellitus | 25.9% (56) | |
| Chronic kidney disease (grade III-V) * | 14.4% (31) | |
| Atrial fibrillation | 6.9% (15) | |
| Malignancy | 6.0% (13) | |
| Previous myocardial infarction | 4.2% (9) | |
| Obstructive lung disease ** | 3.2% (7) | |
| Neurological condition *** | 3.2% (7) | |
| Charlson comorbidity index | Median: 3.0 (IQR 2) | |
| DISEASE COURSE AND OUTCOME | ||
| Duration between disease onset and hospital admission (days) | Median: 8.0 (IQR 5.0) | |
| Hospital stay (days) | Median: 16.0 (IQR 12.0) | |
| Oxygen support requirement | 91.9% (214) | |
| Mortality | 16.7% (36) | |
| ICU admission | 33.8% (73) | |
| Either primary end-point **** | 35.6% (77) | |
*Chronic kidney disease, estimated glomerular filtration rate below 60 ml/min according to the Cocroft-Gault formula.
**Obstructive lung disease, either chronic obstructive lung disease or bronchial asthma.
***Neurological condition: history of stroke, brain tumor or malformation, vascular disease, dementia of any etiology, etc.
****Either primary end-point—fatal outcome and/or ICU admission.