Table 4:

Number of Biffl grade I–V injury assignments in patients with positive and indeterminate findings on neck CTAs

Group	I	II	III	IV	V
Positive studies	9	16	10	8	3
Indeterminate studies	114	6	1	3	0
TP	36	3	0	1	0
FP	78	3	1	2	0
Positive + TP	45	19	10	9	3