Table 2.
Descriptive statistics of patients included in the analysis
| All | Cases | Controls | ||||
|---|---|---|---|---|---|---|
| Mean/% | Standard deviation | Mean/% | Standard deviation | Mean/% | Standard deviation | |
| Costs (€) | 4834 | 9165 | 10,463 | 18,996 | 4570 | 8334 |
| LOS (days) | 7.42 | 7.79 | 14.01 | 14.96 | 7.11 | 7.14 |
| Age (years at admission) | 59 | 18 | 58 | 18 | 59 | 18 |
| CCI | 1.97 | 2.80 | 3.34 | 3.26 | 1.90 | 2.76 |
| Intensive Care Hours | 20 | 123 | 67 | 248 | 18 | 114 |
| Sec. diagn. (number) | 7 | 6 | 14 | 9 | 6 | 5 |
| Died (%) | 2 | 6 | 2 | |||
| Female (%) | 48 | 44 | 48 | |||
| Male (%) | 52 | 56 | 52 | |||
| Observations (number) | 158,702 | 7107 | 151,595 | |||
LOS Length of stay, CCI Charlson comorbidity index, sec. Diag., secondary diagnoses