Table 1 Patient demographics
From: Describing organ dysfunction in the intensive care unit: a cohort study of 20,000 patients
Characteristic1 | All patients | Hospital survivors | Hospital non-survivors |
|---|---|---|---|
Number of patients | 20,007 | 14,915 | 5092 |
Sex, male | 11,647 (58.2) | 8738 (58.6) | 2909 (57.1) |
Age | 59 (44–72) | 56 (41–69) | 67 (54–77) |
Diagnostic category | |||
 Respiratory | 5443 (27.2) | 4242 (28.4) | 1201 (23.6) |
 Cardiovascular | 4479 (22.4) | 2858 (19.2) | 1621 (31.8) |
 Neurologic | 3049 (15.2) | 2130 (14.3) | 919 (18.0) |
 Gastrointestinal | 2349 (11.7) | 1700 (11.4) | 649 (12.7) |
 Trauma | 1973 (9.9) | 1660 (11.1) | 313 (6.1) |
 Metabolic/renal/poisoning | 1073 (5.4) | 1001 (6.7) | 72 (1.4) |
 Other/unknown | 1641 (8.2) | 1324 (8.9) | 317 (6.2) |
Admission type | |||
 Elective post-surgery | 1139 (5.7) | 949 (6.4) | 190 (3.7) |
 Emergent post-surgery | 4457 (22.3) | 3488 (23.4) | 969 (19.0) |
 No surgery | 14,279 (71.4) | 10,399 (69.7) | 3880 (76.2) |
 Unknown | 132 (0.7) | 79 (0.5) | 53 (1.0) |
APACHE II score on ICU admission | 18 (13–25) | 16 (12–21) | 26 (21–33) |
GCS on ICU admission | 15 (11–15) | 15 (13–15) | 13 (5–15) |
Admission SOFA score | 6 (4–10) | 6 (3–8) | 10 (7–13) |
 Respiratory SOFA | 2 (0–3) | 2 (0–3) | 3 (2–4) |
 Liver SOFA | 0 (0–0) | 0 (0–0) | 0 (0–1) |
 Renal SOFA | 0 (0–2) | 0 (0–1) | 1 (0–3) |
 Coagulation SOFA | 0 (0–1) | 0 (0–1) | 0 (0–2) |
 Cardiovascular SOFA | 1 (1–4) | 1 (1–3) | 4 (1–4) |
 CNS SOFA | 1 (0–2) | 0 (0–2) | 2 (0–4) |
Maximum SOFA score2 | 8 (5–12) | 7 (4–10) | 13 (9–16) |
Highest SOFA score3 | 7 (5–10) | 6 (4–9) | 11 (8–15) |
ICU length of stay (days) | 3.5 (1.7–7.5) | 3.6 (1.9–7.4) | 3.0 (1.0–7.8) |
ICU mortality | 3710 (18.5) | N/A | 3710 (72.9) |
Hospital length of stay (days) | 13.9 (6.1–29.9) | 16.0 (8.1–33.7) | 7.1 (2.1–19.1) |
Hospital mortality | 5092 (25.5) | N/A | 5092 (100.0) |