Additional file 2: Figure S1.

Principal component analysis of the transcript levels in the original dataset show no significant differences based on diabetes status of the samples. Dark red circles indicate CKD gene expression data points, light red circles indicate DKD data points, light blue diabetic control data points and dark blue control data points.

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Ko et al. Genome Biology 2013 14:R108   doi:10.1186/gb-2013-14-10-r108