Table 1. Baseline characteristics of patients alive and deceased 30 days after injury.

	All patients (N = 153)	Patients deceased within 30 days after injury (N = 31)	Patients alive after 30 days (N = 122)	P-value*
Age at time of injury median (IQR)	79 (71–84)	79 (79–84)	80 (71–84)	0.57
Male	45 (29)	13 (42)	32 (26)	0.12
Low-energy trauma	97(63)	4 (13)	93 (76)	<0.001
High-energy trauma	56 (37)	27 (87)	29 (24)	<0.001
Fall from height	7 (13)	1 (3)	6 (5)	-
Crush injury	1 (2)	-	1 (1)	-
One-sided motor vehicle/ motorcycle injury	4 (7)	2 (7)	2 (1)	-
Pedestrian/cyclist vs. motor vehicle/motorcycle	27 (48)	15 (48)	12 (10)	-
Motor vehicle/motorcycle vs. motor vehicle/motorcycle	16 (29)	8 (26)	8 (7)	-
Shot injuries	1 (2)	1 (3)	-	-
Fracture classification				0.001
Type A	101 (66)	12 (39)	89 (73)	-
Type B	42 (28)	11 (36)	31 (25)	-
Type C	6 (4)	6 (19)	-	-
No Classification**	4 (2)	2 (6)	2 (2)	-
Complications <30 days	35 (23)	2 (7)	23 (19)	0.02
Delirium	12 (34)	1 (3)	11 (9)	-
Pneumonia	8 (24)	1 (3)	7 (6)	-
Urinary infection	6 (17)	-	6 (5)	-
Urinary system	3 (9)	-	3 (2)	-
Wound infection	1 (3)	-	1 (1)	-
Infection (other)	2 (5)	1 (3)	1 (1)	-
Lung embolism/DVT	2 (5)	-	2 (1)	-
Bleeding	1 (3)	-	1 (1)	-
Nerve injury	-	-	-	-
Unknown (e.g. patient was transferred to another hospital/institution)	6 (4)	-	6 (5)	-
Highest AIS pelvis median (IQR)	2 (2–3)	3 (3–3)	2 (2–2)	<0.001
ISS median (IQR)	9 (4–25)	34 (34–45)	5 (5–13)	<0.001
ISS >15	55 (36)	29 (93)	26 (21)	<0.001
CCI median (IQR)	5 (4–6)	5 (5–6)	5 (5–7)	0.41

Numbers are expressed in N with the percentage in parentheses unless otherwise specified

* Statistically significant results are in bold

** Classification could not be performed due to lack of imaging