Table 1 Baseline characteristics comparison between survivors and non-survivors of Critical Care Trauma Center (CCTC) and Medical-Surgical Intensive Care Unit (MSICU) at London Health Sciences Center (LHSC), between 1 Jan 2009 and 30 Nov 2012, N = 8822
Baseline characteristics | Survivors, N (%) | Non-survivors, N (%) | p value |
|---|---|---|---|
Total number of subjects | 6813 (77.23) | 2009 (22.77) | |
Sex | 0.24 | ||
Male | 3867 (56.76) | 1170 (58.24) | |
Female | 2946 (43.24) | 839 (41.76) | |
Age, mean ± SD | 59.13 ± 17.49 | 66.82 ± 15.67 | <0.0001 |
Male ± SD | 58.94 ± 17.29 | 66.40 ± 15.55 | |
Female ± SD | 59.38 ± 17.76 | 67.40 ± 15.81 | |
0–39 | 1067 (15.66) | 124 (6.17) | |
40–79 | 4972 (72.98) | 1452 (72.27) | |
≥ 80 | 774 (11.36) | 433 (21.55) | |
Intensive care units | 0.06 | ||
Critical Care Trauma Center (CCTC) | 3542 (51.99) | 1092 (54.36) | |
Medical Surgical Intensive Care Unit (MSICU) | 3271 (48.01) | 917 (45.64) | |
ICU admission source | <0.0001 | ||
Operating room/post-anesthesia care unit | 1748 (25.66) | 191 (9.51) | |
Hospital—outside or within LHIN | 1175 (17.25) | 389 (19.36) | |
Emergency department | 1983 (29.11) | 624 (31.06) | |
Other sourcea | 625 (9.18) | 195 (9.71) | |
Unit/ward | 1280 (18.79) | 610 (30.36) | |
ICU admission diagnosis | <0.0001 | ||
Cardiovascular/cardiac/vascular | 895 (13.14) | 463 (23.05) | |
Other diagnosisb | 1727 (25.35) | 353 (17.57) | |
Gastrointestinal | 826 (83.94) | 158 (7.86) | |
Respiratory | 2091 (30.69) | 655 (32.60) | |
Trauma | 473 (6.94) | 106 (5.28) | |
Neurological | 801 (11.76) | 274 (13.64) | |
Multiple Organ Dysfunction Score (MODS) | <0.0001 | ||
Mean MODS ± SD | 4.65 ± 2.96 | 7.01 ± 3.23 | |
Minimum-maximum MODS | 0–19 | 0–20 | |
0 | 495 (7.27) | 25 (1.24) | |
1–4 | 3035 (44.55) | 450 (22.40) | |
5–8 | 2605 (38.24) | 930 (46.29) | |
9–12 | 591 (8.67) | 492 (24.49) | |
> 13 | 87 (1.28) | 112 (5.57) | |
Nine Equivalents Nursing Manpower Use Score (NEMS) | <0.0001 | ||
Mean NEMS ± SD | 30.50 ± 8.45 | 36.64 ± 8.68 | |
Minimum-maximum NEMS | 0–56 | 0–56 | |
0–22 | 990 (14.56) | 94 (4.68) | |
23–29 | 2458 (36.14) | 388 (19.31) | |
≥30 | 3353 (49.30) | 1527 (76.01) | |
Modified Charlson’s Comorbidity Index(CCI) | 0.74 | ||
Mean CCI ± SD | 1.30 ± 0.57 | 1.34 ± 0.61 | |
Score 0 | 5148 (75.56) | 1461 (72.72) | |
Score 1–3 | 1280 (18.79) | 405 (20.16) | |
Score >3 | 385 (5.65) | 143 (7.12) | |
Re-admission to ICU (same hospital admission) | 626 (9.19) | 181 (9.01) | 0.81 |