Table 1.

Patient characteristics, management, and outcomes.

Characteristics, management, and outcomes	n = 264
Age (years)	48 (46–51)
Male	169 (64%)
Charlson comorbidity index	0.6 (0.5–0.8)
Penetrating trauma	29 (11%)
Injury Severity Score	25 (23–26)
On admission
Heart rate	100 (98–103)
Systolic blood pressure (mmHg)	124 (120–128)
pH	7.29 (7.27–7.30)
Lactic acid (mmol/L)	2.9 (2.7–3.2)
Hemoglobin (g/dL)	11.2 (10.9–11.4)
Hemorrhagic shock#	59 (22%)
Number of operations during admission	3.1 (2.8–3.4)
Total PRBC transfusions during admission	5.3 (4.9–5.8)
Received a PRBC transfusion within 24h	154 (58%)
PRBC transfusions within 24h	2.4 (2.1–2.7)
Received a PRBC transfusion after 24h	217 (82%)
PRBC transfusions after 24h	3.0 (2.7–3.3)
PRBC storage duration (days)	21 (20–22)
PRBC donor age (years)	38 (37–40)
Patients who had a nosocomial infection	86 (33%)
Urinary tract infection	41 (16%)
Pneumonia	47 (18%)
Bloodstream infection	16 (6%)
Deep or organ/space SSI	10 (4%)
Hospital length of stay (days)	18 (17–20)
Intensive care unit length of stay (days)	10 (9–12)
Inpatient mortality	20 (8%)
Unplanned readmission within 30 days	26 (10%)
Readmission with infection	12 (5%)
Mortality within 180 days	28 (11%)

PRBC: packed red blood cell,

^#systolic blood pressure < 90 mmHg or lactic acid ≥ 4 mmol/L.

Data are presented as mean (95% confidence interval) or n (%).