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. 2012 Nov;33(10):1851–1854. doi: 10.3174/ajnr.A3076

Fig 1.

Fig 1.

Scatterplot shows the distribution of neuroimaging indices against follow-up in years. The patients who had follow-ups shorter than 1 year were excluded when the mean was calculated, as some of these patients had factitiously elevated neuroimaging indices that could not be extrapolated.