Effect of Direct Neuroradiologist Participation in Physician Marketing on Imaging Volumes in Outpatient Radiology

American Journal of Neuroradiology

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Fig 1.
Duration of effect of the neuroradiologist's participation in outpatient radiology marketing.
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Fig 2.
Effect of joint sales representative and neuroradiologist participation in outpatient radiology marketing.

Mean scan volumes for an outpatient radiology group during control and test periods

	Sales Representative (2009)	Sales Representative + Neuroradiologist (2010)	Sales Representative (2010)	P Value (Compared with 2009)
January	8.5	19.2	–	<.0001
February	8.3	20.0	–	<.0001
March	8.4	20.9	–	<.0001
April	7.8	20.1	–	<.0001
May	7.6	18.5	–	<.0001
June	5.7	15.8	–	<.0001
July	5.5	–	14.9	<.0001
August	5.4	–	13.1	<.0001
September	4.1	–	11.4	<.0001
October	3.9	–	8.9	<.0001
November	6	–	6.1	.49
December	7.6	–	7.6	1