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. 2013 Jun 5;8(6):e64452. doi: 10.1371/journal.pone.0064452

Figure 2. Comparison of manually segmented infusion volumes to autosegmented infusion volumes.

Figure 2

(A) Autosegmentation (open dots) by the four operators produced consistent volumes to manual segmentation (black dots) in all fourteen test subjects. (B) Autosegmentation significantly reduced the interoperator variability (Mean ± StDev). (C) Autosegmentation variability for all studies was smaller than manual segmentation variability, so all values fell below the unity line. (D) Autosegmentation produced consistent Vd/Vi ratios to manual segmentation with lower standard deviation (Mean ± StDev).