Table 1.
Patient characteristics of the study population
| Characteristic | Value |
|---|---|
| Age (years, mean ± SD) | 61 ± 16 |
| Gender M/F (%) | 64/36 |
| Height (cm, mean ± SD) | 174 ± 9 |
| Actual body weight (kg, mean ± SD) | 78 ± 6 |
| Predicted body weight (kg, mean ± SD)a | 67 ± 10 |
| APACHE II score (mean ± SD) | 19 ± 8 |
| Referring specialty (%) | |
| Cardiothoracic surgery | 37 |
| General surgery | 20 |
| Internal medicine | 12 |
| Neurosurgery | 11 |
| Cardiology | 9 |
| Other | 11 |
| Type of admission (%) | |
| Medical | 37 |
| Unplanned surgery | 19 |
| Planned surgery | 44 |
aMen = 50 + 0.91(height in centimetres − 152.4); women = 45.5 + 0.91(height in centimetres − 152.4)