Table 4.

Imaging and interventions performed for AARS and other cervical spine injuries (CSI).

	AARS N = 55	Other CSI N = 485	P-Value*
Plain films	36 (65%)	409 (84%)	<0.01
CT performed	52 (95%)	312 (64%)	<0.01
MRI performed	13 (24%)	284 (59%)	<0.01
Both CT and MRI performed	13 (24%)	180 (37%)
Neither CT nor MRI performed	3 (5%)	69 (14%)
Highest level of intervention:			<0.01
None	6 (11%)	80 (16%)
Soft collar	4 (7%)	29 (6%)
Rigid collar	20 (36%)	203 (42%)
Brace	0 (0%)	22 (5%)
Traction	14 (25%)	0 (0%)
Halo	9 (16%)	68 (14%)
Internal fixation	2 (4%)	83 (17%)

^*P-values from Fisher’s exact test of homogeneity