Figure 1

Correlation between the SRS-Ponseti classification and 3-DEMO parameters. In all graphs the legend of colors is reported in the vertical bar on the left (e.g. in graph A red means Left Direction, green is Parallel and blue Right Direction). In the graphs, each vertical bar reports the SRS classification, where in the abbreviations the high case letters means the spinal region involved (T: thoracic; TL: thoraco-lumbar; L: lumbar), while the low case letter means the side of convexity of the curve (r: right; l: left – e.g. Tr means Thoracic right, Ll means Lumbar left and so on). Moreover, all graphs both in abscissa and ordinate are scaled in percentage of cases. This means that the biggest vertical bar in the middle of graph A, with the abbreviation Tr-Ll, refers to Thoracic right Lumbar left scoliosis, i.e. the most numerous group of SRS classification, that has most of curves with Left Direction (red), and almost no Right Direction (blue) curves. A. The Direction 3-DEMO parameter more frequently represented is left; B. The Sagittal Shift 3-DEMO parameter never appear to be Anterior; C. The Frontal Shift 3-DEMO parameter is Right in over 50% of cases; D. The Phase parameter is equally distributed and is the only 3-DEMO parameter with no significant difference among SRS classified scoliosis.