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Table 1: ED MRI requesting patterns by CNS location imaged
Encounter MRI Requests N = 115 % of Total
Brain 17 14.5%
Brain + orbit 4 3.5%
Brain + C-spine 9 7.8%
Brain + orbit + C-spine 1 0.9%
Brain + C- + T-spine 53 46.1%
Brain + orbit + C- + T-spine 2 1.8%
Brain + C- + T- + L-spine 21 18.3%
Brain + orbit + C- + T- + L-spine 1 0.9%
Orbit 1 0.9%
C-spine 1 0.9%
T- + C-spine 4 3.5%
T- + C- + L-spine 1 0.9%
Note:—C indicates cervical; T, thoracic; L, lumbar.

Encounter MRI Requests	N = 115	% of Total
Brain	17	14.5%
Brain + orbit	4	3.5%
Brain + C-spine	9	7.8%
Brain + orbit + C-spine	1	0.9%
Brain + C- + T-spine	53	46.1%
Brain + orbit + C- + T-spine	2	1.8%
Brain + C- + T- + L-spine	21	18.3%
Brain + orbit + C- + T- + L-spine	1	0.9%
Orbit	1	0.9%
C-spine	1	0.9%
T- + C-spine	4	3.5%
T- + C- + L-spine	1	0.9%