Table 1 Baseline characteristics
Characteristic* | Outcome (n = 133) |
|---|---|
Age—years | 62 (41–73) |
Male gender—no. (%) | 91 (68) |
ICU admission source—no (%) | |
Emergency department | 24 (18) |
Hospital ward | 8 (6) |
Operating theater | 97 (73) |
Other hospital | 4 (3) |
ICU admission type—no (%) | |
Medical | 17 (13) |
General surgical | 20 (15) |
Cardiothoracic | 49 (37) |
Trauma | 42 (32) |
Neurosurgical | 5 (4) |
APACHE II score | 12 (9–17) |
SOFA score | 6 (4–9) |
Prior RBC transfusion—no (%) | 30 (23) |
Haemoglobin—g/L | 88 (81–94) |
Mean corpuscular volume—fL | 91 (88–94) |
C reactive protein—mg/L | 110 (48–170) |
Iron—mcg/dL | 3 (2–6) |
Ferritin—ng/ml+ | 260 (161–437) |
Transferrin—mg/dL | 17 (15–20) |
Transferrin saturation—% | 9 (6–16) |
Soluble transferrin receptor—mg/L | 1.81 (1.28–2.44) |
Hepcidin—μg/mL | 34.9 (17.3–69.2) |
Tertile 1—(0–20.08) | 10.6 (4.2–15.6) |
Tertile 2—(20.09–53.00) | 34.9 (27.1–48.5) |
Tertile 3—(53.01–163.46) | 81.2 (69.2–97.9) |