Table 5.

Deaths directly attributed to pelvic fractures.

	N	%
PFx group.	209	100
Patients with PFx AIS ≤ 3 in severity who were excluded.	154	73.7
Remaining patients with PFx AIS4 and AIS5 in severity.	55	26.3
Remaining patients without any, other than PFx injury of AIS ≥ 4 in severity, in any other AIS anatomic region.	6	2.9
Post-injury survival time ≤ 48 h.	6	2.9
Patients without any injuries listed in Table 1, which denote a potential cause of major haemorrhage other than those related to PFx.	6	2.9

PFx: pelvic fracture; AIS: Abbreviated Injury Scale (the scale of injury severity ranges from 1 to 6, with 1 being minor, 2 moderate, 3 serious, 4 severe, 5 critical, and 6 an unsurvivable injury).