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Selected variables in number of bootstraps. Analysed model was based on admission data
| Variable | Frequency |
|---|---|
| Age | 200 |
| Number of comorbidities | 198 |
| Mechanical ventilated at admission | 78 |
| Surge | 18 |
| Gender | 17 |
| Admission source | 10 |
| Immunological Insufficiency | 7 |
| BMI | 6 |
| Hospital length of stay before ICU admission | 5 |
| Referring specialty | 3 |
