Table 3.
Unit-wise admission and outcomes
| General ICU | Cardiac ICU | |||||
|---|---|---|---|---|---|---|
| Control (n = 1041) | Intervention (n = 1022) | p value | Control (n = 1346) | Intervention (n = 1363) | p value | |
| Age | 61.0 (15.6) | 60.2 (16.5) | 0.26 | 65.4 (13.3) | 65.3 (13.4) | 0.72 |
| ICU LOS | 6.1 (8.0) | 5.7 (7.4) | 0.22 | 5.6 (5.7) | 6.0 (4.6) | 0.04 |
| Hospital LOS | 15.5 (18.6) | 17.4 (19.2) | 0.02 | 11.4 (9.1) | 13.0 (9.8) | < 0.0001 |
| Admission information | ||||||
| Medical | 546 (52.4%) | 572 (56.0%) | 0.11 | 0 (0%) | 0 (0%) | NA |
| Surgery | 495 (47.6%) | 450 (44.0%) | 0.11 | 1346 (100%) | 1363 (100%) | NA |
| Emergency/salvage | 45 (4.3%) | 94 (9.2%) | < 0.001 | 55 (4.1%) | 58 (4.3%) | 0.83 |
| Urgent | 110 (10.6%) | 73 (7.1%) | 0.006 | 502 (37.3%) | 300 (22.0%) | < 0.001 |
| Elective/scheduled | 340 (32.7%) | 283 (27.7%) | 0.014 | 789 (58.6%) | 857 (62.9%) | 0.023 |
| Outcomes | ||||||
| APACHE II/EuroScore (CICU control) | 15.3 (7.1) | 15.0 (6.6) | 0.33 | 5.3 (2.9) | 8.9 (8.2) | NA |
| APACHE II mortality prediction | 19.6 (21.6) | 19.1 (19.6) | 0.58 | 4.9 (8.0) | NA | |
| Readmissions | 16 (1.5%) | 21 (2.1%) | 0.38 | 30 (2.2%) | 60 (4.4%) | 0.002 |
| Died | 132 (12.7%) | 107 (10.5%) | 0.12 | 29 (2.16%) | 12 (0.88%) | 0.007 |
The table shows ICU and hospital stay information, admission information including type of surgery and outcomes for each unit separately. Data are presented as: for binary variables—count (percentage of admissions) and for continuous variables—mean (standard deviation). p values compare control cohort to intervention cohort for each unit. p value calculation is described in ‘Methods’ section. See ‘Results’ section for details