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Larsen scoring of digitized X-ray images

1999; Oxford University Press; Volume: 38; Issue: 11 Linguagem: Inglês

10.1093/rheumatology/38.11.1127

1462-0332

C. Solymossy, J. Dixey, Martin Utley, S Gallivan, Adam Young, N.H. Cox, P. S. W. Davies, P. Emery, A Staveley Gough, David W. James, P. Prouse, Peter Williams, Jessica Winfield,

Medical Imaging Techniques and Applications

Methods.A hundred sets of radiographs of patients recruited with early rheumatoid arthritis (RA) were assessed using the Larsen scoring system. Digitized copies of these sets were then viewed on a computer screen and scored according to Larsen in a random order. The quality of the digitized image was also recorded. For each set of X-rays, the signed difference between the score from film and the score from the digitized images was calculated.