Table 2 Training (N = 4321) and validation (N = 4501) dataset baseline characteristics for Critical Care Trauma Center (CCTC) and Medical-Surgical Intensive Care Unit (MSICU) at London Health Sciences Center (LHSC)
Baseline characteristics | Training, N (%) | Validation, N (%) |
|---|---|---|
Total number of subjects | 4321 (48.98) | 4501 (51.02) |
Sex | ||
Male | 2475 (57.28) | 2562 (56.92) |
Female | 1846 (42.72) | 1939 (43.08) |
Age | ||
0–39 | 582 (13.47) | 609 (13.53) |
40–79 | 3146 (72.81) | 3278 (72.83) |
≥80 | 593 (13.72) | 614 (13.64) |
ICU | ||
Critical Care Trauma Unit(CCTC) | 2310 (53.46) | 2324 (51.63) |
Medical and Surgical Intensive Care Unit(MSICU) | 2011 (46.54) | 2177 (48.37) |
ICU admission source | ||
Operating room/post-anesthesia care unit | 932 (21.57) | 1007 (22.38) |
Hospital—outside or within LHIN | 789 (18.26) | 775 (17.23) |
Emergency department | 1264 (29.25) | 1343 (29.85) |
Other sourcea | 379 (8.77) | 441 (9.80) |
Unit/ward | 975 (22.15) | 933 (20.74) |
ICU admission diagnosis | ||
Cardiovascular/cardiac/vascular | 652 (15.09) | 706 (15.69) |
Other diagnosisb | 998 (23.10) | 1082 (24.04) |
Gastrointestinal | 452 (10.46) | 532 (11.82) |
Respiratory | 1405 (32.52) | 1341 (29.79) |
Trauma | 287 (6.64) | 292 (6.49) |
Neurological | 527 (12.20) | 548 (12.18) |
Multiple Organ Dysfunction Score (MODS) | ||
0 | 245 (5.67) | 275 (6.11) |
1–4 | 1725 (39.92) | 1760 (39.10) |
5–8 | 1733 (40.11) | 1802 (40.04) |
9–12 | 531 (12.29) | 552 (12.26) |
>13 | 87 (2.01) | 112 (2.49) |
Nine Equivalents Nursing Manpower Use Score (NEMS) | ||
0–22 | 557 (12.90) | 527 (11.73) |
23–29 | 1401 (32.45) | 1445 (32.16) |
≥30 | 2359 (54.64) | 2521 (56.11) |
Modified Charlson’s Comorbidity Score (CCI) | ||
0 | 3255 (75.33) | 3354 (74.52) |
1–3 | 813 (18.82) | 872 (19.37) |
>3 | 253 (5.86) | 275 (6.11) |
Re-admission to ICU (same hospital admission) | 394 (9.12) | 413 (9.18) |
Mortality | 986 (22.82) | 1023 (22.73) |