Table 1.
Characteristics of the 5,940 critically ill ventilated patients with and without extubation during ICU-admission
| All | Extubation (-) | Extubation ( +) | p-value | |
|---|---|---|---|---|
| N = 5,940 | N = 2,283 | N = 3,657 | ||
| Demographic data | ||||
| Age (years) | 66.2 ± 16.2 | 65.8 ± 16.0 | 66.4 ± 16.3 | 0.12 |
| Sex (male) | 3799 (64.0%) | 1482 (64.9%) | 2317 (63.4%) | 0.24 |
| Body mass index | 24.0 ± 5.0 | 23.5 ± 4.8 | 24.0 ± 5.2 | < 0.01 |
| CCI | 2.1 (1.4) | 2.1 (1.4) | 2.2 (1.5) | 0.05 |
| ICU types | < 0.01 | |||
| Medical ICU | 2831 (47.7%) | 1043 (45.7%) | 1788 (48.9%) | |
| Surgical ICU | 1272 (21.4%) | 512 (22.4%) | 760 (20.8%) | |
| Neurological ICU | 1176 (19.8%) | 575 (25.2%) | 601 (16.4%) | |
| Cardiac ICU | 399 (6.7%) | 110 (4.8%) | 289 (7.9%) | |
| Cardiosurgical ICU | 262 (4.4%) | 43 (1.9%) | 219 (6.0%) | |
| Severity score | ||||
| APACHE II | 25.7 ± 6.6 | 26.7 ± 6.8 | 25.0 ± 6.3 | < 0.01 |
| SOFA score | 8.5 ± 3.6 | 9.0 ± 3.9 | 8.2 ± 3.4 | < 0.01 |
| Outcome | ||||
| ICU-stay (day) | 14.7 ± 10.6 | 17.2 ± 12.0 | 13.1 ± 9.3 | < 0.01 |
| Ventilator-day | 12.2 ± 10.8 | 16.0 ± 12.0 | 9.7 ± 9.1 | < 0.01 |
| Hospital-stay (day) | 29.4 ± 16.7 | 30.3 ± 18.6 | 28.8 ± 15.4 | < 0.01 |
Data were presented as mean ± standard deviation and number (percentage)
Abbreviations: CCI Charlson comorbidity index, ICU intensive care unit, APACHE II acute physiology and chronic health evaluation II, SOFA sequential organ failure assessment