Table 2.
Descriptive summary at the admission level by group.
| Variable | Pre (N = 1011) | Post (N = 936) | P-value |
|---|---|---|---|
| Age | 59 (44, 69) | 59 (45.8, 70) | 0.87 |
| Gender | |||
| Female | 349 (35%) | 319 (34%) | 0.84 |
| Male | 662 (65%) | 617 (66%) | – |
| Unit location | |||
| CVICU | 445 (49%) | 440 (52%) | 0.21 |
| SICU | 465 (51%) | 408 (48%) | – |
| ICU Mortality | 40 (4%) | 39 (4%) | 0.91 |
| ICU length of stay (days) | 2.8 (1.8, 5.6) | 2.8 (1.8, 5.5) | 0.26 |
| ICU discharge location | |||
| Floor | 731 (72%) | 789 (84%) | <0.001 |
| HOME/OTHER | 60 (6%) | 62 (7%) | – |
| ICU/IMCU | 158 (16%) | 14 (1%) | – |
| LTAC/SNF | 20 (2%) | 30 (3%) | – |
| Other | 1 (0%) | 1 (0%) | – |
| APACHE II | 15 (11, 19) | 14 (11, 19) | 0.52 |
| Intubations per patient | |||
| 0 | 343 (34%) | 309 (33%) | 0.79 |
| 1 | 613 (61%) | 570 (61%) | – |
| 2+ | 55 (5%) | 57 (6%) | – |
| Tracheostomy | 58 (6%) | 45 (5%) | 0.36 |
| Mechanical ventilation (hours) | 21.1 (9.9, 82.6) | 22.3 (9.8, 79.9) | 0.83 |
| Reintubations within 48 h (#) | |||
| 0 | 988 (98%) | 898 (97%) | 0.11 |
| 1 | 19 (2%) | 30 (3%) | – |
| 2 | 1 (0%) | 2 (0%) | – |
| Additional characteristics | |||
| Open chest | 26 (3%) | 21 (2%) | 0.64 |
| ECMO | 23 (2%) | 22 (2%) | 0.91 |
| VAD | 45 (4%) | 47 (5%) | 0.55 |
| ARDS | 14 (1%) | 21 (2%) | 0.15 |
| Hemo/Pneumothorax | 2 (0%) | 4 (0%) | 0.44 |
| MODS | 13 (1%) | 12 (1%) | 0.99 |
| PE | 3 (0%) | 1 (0%) | 0.63 |
| VAP | 19 (2%) | 15 (2%) | 0.64 |
| Pneumonia | 36 (4%) | 44 (5%) | 0.21 |
| Aspiration | 9 (1%) | 13 (1%) | 0.30 |
| Patient admission case mix group | |||
| 1 | 380 (38%) | 372 (40%) | 0.77 |
| 2 | 237 (23%) | 205 (22%) | – |
| 3 | 128 (13%) | 117 (12%) | – |
| 4 | 266 (26%) | 242 (26%) | – |