Fig. 3From: Impact of the EARL harmonization program on automatic delineation of metabolic active tumour volumes (MATVs)Impact of the EARL harmonization strategy on MATVs defined by the isocontour and gradient-based delineation methods (observer 1). MATVs are shown as Tukey boxplots (lines displaying the median, 25th, and 75th percentiles; cross represents the mean values). Legends for p values: ***<0.001; **<0.01; *<0.05. ns non significant. a 40% isocontour-based volumes. b Gradient-based volumesBack to article page