Fig. 11From: Standardizing HER2 immunohistochemistry assessment: calibration of color and intensity variation in whole slide imaging caused by staining and scanningBox plots of the difference in H-score between target and reference image. Vertical bars, central rectangles and horizontal lines within the rectangles represent the minimum to maximum range, interquartile range and median value, respectively. * represents the significant differences by Tukey’s HSD testBack to article page