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. 2017 Apr 6;65(3):422–432. doi: 10.1093/cid/cix301

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© The Author 2017. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com.

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Figure 5. — K-means cluster analysis and cognitive function by human immunodeficiency virus (HIV) status. Jitterplot of cognitive domain T-scores grouped by k-means cluster analysis. Cluster 1 represents the cluster with higher total gray matter volume (GMV) and higher mean white matter skeleton fractional anisotropy (FA) in each region, whereas cluster 2 represents the cluster with lower total GMV and lower mean white matter skeleton FA in each region. Black lines represent medians for each cluster with P values calculated using the Wilcoxon rank-sum test.