Fig. 3
From: 3D Markerless asymmetry analysis in the management of adolescent idiopathic scoliosis

The classification trees and the tabulated accuracy (ACC), sensitivity (SE), and specificity (SP) values for the curve severity classification of (a) T-TL curves and (b) L curves. The (+) and (−) illustrate the moderate/severe and mild groups, respectively. RG: radiograph, ST: surface topography