Association of pelvic fracture patterns, pelvic binder use and arterial angio-embolization with transfusion requirements and mortality rates; a 7-year retrospective cohort study

Table 4 Patient characteristics with and without pelvic binders (Tile B1, B3 and C fractures)

n (%)	Binder 61 (52)	No binder 57 (48)	p
ISS, median (IQR)	26 (17-38)	29 (18-38)	0.99
Admission SI (HR/SBP) > 1, n (%)	16 (26)	14 (25)	1
Admission SBP < 90 mmHg, n (%)	9 (15)	11 (19)	0.63
Base deficit (mEq/l), median (IQR)	4.5 (2.8-7.9)	5.8 (3.5-9.1)	0.29
Lactate (mmol/l), median (IQR)	2.7 (1.5-3.4)	2.9 (1.8-4.9)	0.81
Arterial angio-embolization (for pelvis), n (%)	5 (8)	7 (12)	0.55
Total PRBC (units), median (IQR)	0 (0-6)	2 (0-6)	0.91
48-h mortality, n (%)	14 (23)	10 (18)	0.5
30-day mortality, n (%)	15 (25)	11 (19)	0.51

HR Heart Rate, PRBC Packed Red Blood Cells, SBP Systolic Blood Pressure, SI Shock Index (HR/SBP)
Fisher’s exact test was used for categorical data, Mann-Whitney U test for continuous non-parametric variables

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