title: Effect on examination ordering by physician attitude, common knowledge, and practice behavior regarding CT radiation exposure.
abstract: OBJECTIVE
  We surveyed ordering physician attitudes, knowledge, and behavior with regard to computed tomography (CT)-related radiation exposure at a large medical center.
  
  
  METHODS
  Sixteen questions were sent via electronic survey to 350 physicians.
  
  
  CONCLUSIONS
  The ability to quickly rule in or rule out conditions effectively strongly influenced the decision to order CT (85%-99%). Fear of litigation influenced CT ordering for those with less experience [odds ratio (OR)=2.3, P<.05]. Residents and primary care physicians were less likely to discuss risks/benefits of CT with patients (P ≤.03) compared to those with >5 years of experience (OR=4.0, P=.04).
authors.affiliation: Department of Radiology, Mayo Clinic, Rochester, MN, USA.
authors.forename: Jeremy F
authors.initials: JF
authors.lastname: McBride
authors.forename: Richard M
authors.initials: RM
authors.lastname: Wardrop
authors.forename: Ben E
authors.initials: BE
authors.lastname: Paxton
authors.forename: Jay
authors.initials: J
authors.lastname: Mandrekar
authors.forename: Joel G
authors.initials: JG
authors.lastname: Fletcher
mesh_terms: D016009:Chi-Square Distribution; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D007258:Informed Consent; D016015:Logistic Models; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data*; D011829:Radiation Dosage; D011795:Surveys and Questionnaires; D014057:Tomography, X-Ray Computed; D014481:United States