Table 1 Population characteristics stratified by need for (continued) transfusion of blood products in hospital
All patients (n = 306) | In-hospital transfusion (n = 126) | No In-hospital transfusion (n = 142) | p value | |
|---|---|---|---|---|
Demographics | ||||
Age, years (SD) | 47.4 [21.6] | 47.5 [21.7] | 47.4 [21.6] | .73 |
Male, (n [%]) | 197 [73.5] | 90 [71.4] | 107 [75.4] | .57 |
Female, (n [%]) | 71 [23.2] | 36 [28.6] | 35 [24.6] | |
Missing, (n [%]) | 38 [3.3] | |||
Mechanism descriptors (n, %) | ||||
RTC | 162 [52.9] | 91 [72.2] | 71 [55.6] | < 0.001 |
Accidental Injury | 20 [6.5] | 16 [12.7] | 4 [2.8] | |
Intentional Self Harm | 25 [8.1] | 9 [7.14] | 16 [11.3] | |
Assault | 19 [6.2] | 8 [6.3] | 18 [12.6] | |
Fall | 30 [9.8] | 4 [3.2] | 26 [18.4] | |
Cyclist | 5 [1.6] | 0 [0] | 5 [3.5] | |
Motorcyclist | 18 [5.9] | 4 [3.2] | 14 [9.9] | |
Other | 8 [2.6] | 2 [1.6] | 6 [4.2] | |
Presenting physiology | ||||
TCA (n [%]) | 15 [8.5] | 14 [10.4] | 1 [9.2] | < 0.001 |
HR (mean [SD]) missing | 91 [25.1] 17 | 106 [32.6] | 98 [29.6] | < 0.001 |
SBP (mean [SD]) missing | 106 [34.4] 20 | 88 [31.8] | 120 [29.5] | < 0.001 |
Shock Index (mean [SD]) missing | 1.0 [0.5] 27 | 1.3 [0.6] | 0.8 [0.3] | < 0.001 |
GCS (median [IQR]) missing | 13 [6–15] 3 | 10 [3–14] 0 | 14 [10–15] 3 | < 0.001 |
P-LACT | ||||
Presenting P-LACT (mmol/L) (mean [SD]) missing | 2.9 [2.4] 84 | 4.60 [2.4] | 3.5 [3.5] | < 0.001 |
Pre-hospital interventions | ||||
PHEA (n [%]) | 101 [36.9] | 64 [50.4] | 37 [25.5] | < 0.001 |
Pre-hospital Code Red | 103 [39.9] | 89 [70.4] | 14 [9.2] | < 0.001 |
Pre-hospital Transfusion | 124 [49.0] | 100 [79.2] | 24 [16.3] | < 0.001 |
PRBC (units, %) mode [range] | 0 [4] | 0 [3] | < 0.001 | |
FDP (units, %) mode [range] | 1 [4] | 0 [4] | < 0.001 | |
PRBC units (n, %) | ||||
0 units | 169 [60.8] | 40 [31.2] | 129 [91.5] | .68 |
1 units | 44 [17.0] | 37 [29.6] | 7 [4.3] | |
2 units | 28 [10.1] | 24 [19.2] | 4 [2.8] | |
3 units | 18 [7.8] | 16 [12.8] | 2 [1.4] | |
4 units | 9 [4.2] | 9 [7.2] | 0 [0] | |
Clinical outcome | ||||
Hospital lactate (mmol/L) Missing (n [%]) | 3.4 [2.6] 204 [66.6] | 4.4 [3.0] | 2.00 [1.0] | < 0.001 |
ISS (mean [SD]) Missing (n [%]) | 14 [17–41] 82 [27.8] | 33 [23.5–43.0] | 22 [13–33] | < 0.001 |
ICU Length of stay (mean [SD]) Missing (n [%]) | 3 [.00–11.7] 82 [27.8] | 4.5 [1.00–16.75] | 2 [.0–8.00] | < 0.001 |
Hospital Length of stay (mean [SD]) Missing (n [%]) | 16 [5.7 – 31.2] 84 [27.45] | 18 [3–42] | 14 [7–26.0] | .50 |
Survival to discharge Missing (n [%]) | 144 (47.1) 97[31.7] | 57 [44.8] | 87 [61.0] | < 0.001 |