Fig. 2From: HyperArc VMAT planning for single and multiple brain metastases stereotactic radiosurgery: a new treatment planning approachBoxplots of dosimetric parameters of homogeneity index (HI), conformity index (CI), and gradient index (GI) for conventional VMAT (C-VMAT) and HyperArc VMAT (HA-VMAT) plans. Boxes, median value and upper and lower quartiles; Whiskers, maximum and minimum values within 1.5 × inter-quartile range; Dots, outliersBack to article page