Table 2.

Sources of arterial bleeding in 49 patients with blunt pelvic trauma

Vessel	Patients
Internal iliac artery	42	86 %
Main trunk	6	12 %
Main branch	36	74 %
External iliac artery	2	4 %
Main trunk	1	2 %
Main branch (femoral circumflex artery)	1	2 %
Internal and external iliac arteries	5	10 %
Main trunk of internal iliac artery and femoral circumflex artery	1	2 %
Main branch of internal iliac artery and femoral circumflex artery	4	8 %