Fig. 1From: Comparison of novel multi-level Otsu (MO-PET) and conventional PET segmentation methods for measuring FDG metabolic tumor volume in patients with soft tissue sarcomaSpearman correlation for MTV and GTV. a MO-PET. b PET Edge™. c Absolute SUV threshold value of 2.0. d Percentage of SUVmax value of 30%. A significant positive correlation is exhibited between each MTV and GTV. Solid line, trend line; dotted line, line of equalityBack to article page