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Table 1: 
Diagnostic error versus imaging technique
StudyTotal Examinations (n = 165)Percentage (%)
MR imaging brain5030.3%
CTA head4627.9%
Noncontrast head CT4326.1%
CTA neck74.2%
MRA brain53.0%
CT neck42.4%
CT cervical spine42.4%
MR imaging cervical spine21.2%
MRA neck10.6%
MR imaging lumbar spine10.6%
MR imaging total spine10.6%
CT sinus10.6%