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Improving Breast Imaging Quality Standards (2005) / Chapter Skim
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Appendix A: ACR Survey Methods and Analysis
Pages 189-199

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From page 189...
... Physician Masterfile, a reasonably complete listing of all allopathic physicians in the United States, whether or not AMA members. The sample from the Masterfile consisted of a 16 percent sample of all those self-designated in the Masterfile as vascular/interventional radiologists, an 8 percent sample of all other radiologists, and an 8 percent sample of nuclear medicine specialists.
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From page 190...
... A similar logistic analysis of the 202 interventionalists in the sample resulted in two weighting categories, based on whether or not the physician was an ACR member. Because logistic regression showed no statistically significant effect, only one weighting category was used for the nuclear medicine specialists of interest and one for the osteopathic radiologists.
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From page 191...
... Actual totals were computed, and it was found that in the vast majority of cases in which the entries did not total to 100 percent, the total was slightly below 100 percent. Consequently, if the recorded percentages totaled 95 to 99, all recorded percentages were checked against the paper questionnaire and any errors corrected.
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From page 192...
... For example, this table will give the percentage of those who say breast imaging is their primary specialty who interpreted 2,000 mammograms a year, the percentage of those who did a breast imaging fellowship that now spend at least 30 percent of their clinical work time doing breast imaging, etc.
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From page 193...
... Overall average number of mammograms (not only for those who interpret any) TABLE IIIb Further Information on Nonmammography Breast Imaging Activity, by Radiologists' Breast-Imaging-Related Characteristics Rows: Same as Table I, definitions A through N Columns: 1.
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From page 194...
... Percentage of all radiologists in the area who do any nonmammography breast im aging TABLE V Information by Degree of Urbanness of Location Rows: Same as Table I, definitions A through N Columns: For each of the following degrees of urbanness: o All locations o Large metro main city o Large metro suburb o Small metro main city o Small metro suburb o Nonmetro Each of the following columns: 1. Percentage of radiologists who interpret any mammograms in each loca tion type, with standard error 2.
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From page 195...
... Percentage of radiologists who interpret any mammograms, with standard error 3. Average number of mammograms for those who interpret any mammo grams, with standard error TABLE VIb Number and Percentage of Radiologists Who Interpret Mammograms and Mammography Volume, by Age Rows: Each of the following age categories: o All ages o Ages <45 o Ages 45­54 o Ages 55­64 o Ages 65+ Columns: 1.
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From page 196...
... Number of radiologists who interpret any mammograms 2. Percentage of radiologists who interpret any mammograms, with standard error TABLE VIIc Number and Percentage of Radiologists Who Interpret Mammograms Overall, for Females, for Those Who Work Full-Time, and for Those Who Are Board Certified Rows: Same as Table I, definitions A through N Columns: For each of the following: o All radiologists o Male versus female radiologists o Full-time versus part-time radiologists o Radiologist board certified or not Each of the following columns: 1.
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From page 197...
... Percentage of radiologists who interpret any mammograms, with standard error TABLE VIII Percentage Performing Mammograms and Number of Mammograms Performed, by Gender Rows: Same as Table I, definitions A through N
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From page 198...
... Percentage of radiologists who interpret any mammograms, with standard error 3. Average desired percentage change in workload TABLE X Work Status by Gender and 5-Year Age Group Rows: Each of the following age categories: o <35 o 35­39 o 40­44 o 45­49 o 50­54 o 55­59 o 60­64 o 65­69 o 70­74 o 75+
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From page 199...
... of U.S. radiologists in this category NOTE: This is the only table that uses all survey responses, including trainees and retirees.
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Key Terms

  • standard error
  • response rate
  • nonmammography breast
  • interpret mammograms
  • medicine specialists

  • nuclear medicine
  • weighting category
  • osteopathic radiologists
  • percent sample
  • interpreting mammograms

  • imaging activity
  • radiologists interpreting
  • recorded percentages
  • third remailing
  • sample included

  • main city
  • weighting categories
  • board certified
  • metro suburb
  • designated breast

  • sampling rate
  • metro main
  • posttraining professionally
  • women age
  • professionally active

  • weight equal
  • tailored design
  • included physicians
  • work time
  • sample resulted


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