Table 3.

Case volume by specialty

Question: What is the approximate number of traumatic carotid or vertebral artery dissections or other injuries that you see per year?
	None	1 to 5	5 to 10	> 10
Neurosurgeon n = 342	28 (8.2%)	237 (69.5%)	35 (10.3%)	41 (12.0%)
Trauma surgeon n = 136	2 (1.5%)	58 (42.6%)	29 (21.3%)	47 (34.6%)
General surgeon n = 19	4 (21.1%)	6 (31.6%)	4 (21.1%)	5 (26.3%)
Vascular surgeon n = 52	4 (7.7%)	36 (69.2%)	9 (17.3%)	3 (5.8%)
Neurologist n = 204	6 (2.9%)	102 (50.0%)	61 (29.9%)	35 (17.2%)
Interventional radiologist n = 30	0	6 (20.0%)	8 (26.7%)	16 (53.3%)