کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6035816 | 1188771 | 2010 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Identical, but not the same: Intra-site and inter-site reproducibility of fractional anisotropy measures on two 3.0Â T scanners
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موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب شناختی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Identical, but not the same: Intra-site and inter-site reproducibility of fractional anisotropy measures on two 3.0Â T scanners Identical, but not the same: Intra-site and inter-site reproducibility of fractional anisotropy measures on two 3.0Â T scanners](/preview/png/6035816.png)
چکیده انگلیسی
One of the two scanners showed better intra-site reproducibility, while the intra-site CV for both scanners was significantly better than inter-site CV. However, when using nonlinear coregistration of FA maps, the average inter-site CV was below 2%. There was a consistent inter-site bias, FA values on site 2 were 1.0-1.5% lower than on site 1. Correction for this bias with a global scaling factor reduced the inter-site CV to the range of intra-site CV. Our results are encouraging for multi-centre DTI studies in larger populations, but also illustrate the importance of the image processing pipeline for reproducibility.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: NeuroImage - Volume 51, Issue 4, 15 July 2010, Pages 1384-1394
Journal: NeuroImage - Volume 51, Issue 4, 15 July 2010, Pages 1384-1394
نویسندگان
Christian Vollmar, Jonathan O'Muircheartaigh, Gareth J. Barker, Mark R. Symms, Pamela Thompson, Veena Kumari, John S. Duncan, Mark P. Richardson, Matthias J. Koepp,