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The accuracy of automatic calibration of digital pelvic radiographs using two different scale markers : a comparative study
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Baxter, Jonathan A., Barlow, Timothy, Karthikeyan, Shanmugam, Mayo, Damian J. and King, Richard J. (2012) The accuracy of automatic calibration of digital pelvic radiographs using two different scale markers : a comparative study. Hip International, 22 (1). pp. 82-89. doi:10.5301/HIP.2012.9044 ISSN 1120-7000.
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Official URL: http://www.hip-int.com/article/the-accuracy-of-aut...
Abstract
We have investigated the accuracy of automatic calibration of digital pelvic radiographs using the single and double marker techniques. Both markers were applied by the radiographer at the time of routine, postoperative radiographs. Each radiograph was loaded into the TraumaCadTM software package which calculated the magnification and scaled the radiograph automatically. The median error of magnification in the double marker group was 1.14% when calculated automatically. The median error of the single marker was 5.98%. The relationship between true and predicted magnification was strongest in the double marker group with excellent correlation (r=0.91) and agreement (ICC<0.91). We believe that the double marker method with automatic calibration is the most reliable method of scaling a pelvic radiograph in clinical practice currently available.
| Item Type: | Journal Article | ||||||||
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| Subjects: | R Medicine > RD Surgery | ||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Clinical Trials Unit Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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| Library of Congress Subject Headings (LCSH): | Pelvis -- Radiography | ||||||||
| Journal or Publication Title: | Hip International | ||||||||
| Publisher: | Wichtig Editore Srl | ||||||||
| ISSN: | 1120-7000 | ||||||||
| Official Date: | 8 March 2012 | ||||||||
| Dates: |
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| Volume: | 22 | ||||||||
| Number: | 1 | ||||||||
| Number of Pages: | 8 | ||||||||
| Page Range: | pp. 82-89 | ||||||||
| DOI: | 10.5301/HIP.2012.9044 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Related URLs: |
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