Table 2.
Basic characteristics and outcomes of the study population.
| Characteristics and outcomes | Unplanned extubation (n=248) | Planned extubation (n=6666) | P value | ||
| Age (years), mean (SD) | 62.2 (13.8) | 62.1 (14.9) | .97 | ||
| Sex, n (%) | <.001 | ||||
|
|
Male | 190 (76.6) | 4319 (64.8) |
|
|
|
|
Female | 58 (23.4) | 2347 (35.2) |
|
|
| Cardiopulmonary resuscitation, n (%) | .32 | ||||
|
|
No | 241 (97.2) | 6377 (95.7) |
|
|
|
|
Yes | 7 (2.8) | 289 (4.3) |
|
|
| Surgery, n (%) | <.001 | ||||
|
|
No | 184 (74.2) | 3471 (52.1) |
|
|
|
|
Yes | 64 (25.8) | 3195 (47.9) |
|
|
| Intubation location, n (%) | <.001 | ||||
|
|
Emergency room | 33 (13.3) | 611 (9.2) |
|
|
|
|
Intensive care unit (ICU) | 176 (71.0) | 3997 (60.0) |
|
|
|
|
Operating room | 17 (6.9) | 1298 (19.5) |
|
|
|
|
Ward or others | 22 (8.9) | 760 (11.4) |
|
|
| Reason for ICU admission, n (%) | <.001 | ||||
|
|
Respiratory | 138 (55.6) | 2459 (36.9) |
|
|
|
|
Cardiovascular | 41 (16.5) | 909 (13.6) |
|
|
|
|
Perioperative | 38 (15.3) | 2345 (35.2) |
|
|
|
|
Others | 31 (12.5) | 953 (14.3) |
|
|
| Use of physical restraint, n (%)a | <.001 | ||||
|
|
No | 96 (38.7) | 4275 (64.1) |
|
|
|
|
Yes | 152 (61.3) | 2391 (35.9) |
|
|
| Work shift, n (%) | <.001 | ||||
|
|
Day (7 AM to 3 PM) | 94 (37.9) | 4121 (61.8) |
|
|
|
|
Evening (3 PM to 11 PM) | 62 (25.0) | 2123 (31.8) |
|
|
|
|
Night (11 PM to 7 AM) | 92 (37.1) | 422 (6.3) |
|
|
| ICU mortality, n (%) | <.001 | ||||
|
|
No | 198 (79.8) | 5847 (87.7) |
|
|
|
|
Yes | 50 (20.2) | 819 (12.3) |
|
|
| In-hospital mortality, n (%) | <.001 | ||||
|
|
No | 150 (60.5) | 4792 (71.9) |
|
|
|
|
Yes | 98 (39.5) | 1847 (28.1) |
|
|
| Reintubation within 24 hours, n (%) | <.001 | ||||
|
|
No | 149 (60.1) | 6128 (91.9) |
|
|
|
|
Yes | 99 (39.9) | 538 (8.1) |
|
|
| Mechanical ventilation days, median (IQR) | 2.7 (3.3) | 2.9 (4.0) | .17 | ||
| Hospital days, median (IQR) | 27.5 (32.3) | 25.0 (33.9) | .29 | ||
aUse of physical restraint indicates whether physical restraint was applied in a case when extubated.