Correlation coefficient between right and left for significant asymmetric variables. 1, sacroiliac–acetabulum (angle); 2, postero-inferior iliac buttress; 3, scalenion–acetabulum; 4, anterio-medial iliac buttress; 5, wing sacral/pelvic breadth; 6, acetabulum axis; 7, Hilgenreiner angle; 8, medio-superior iliac buttress; 9, sacroiliac–acetabulum (length); 10, iliac crest orientation; 11, centre–edge angle of Wiberg; 12, great axis obturator foramen; 13, wing ilium slope; 14, pubis symphysis (height); 15, apex iliac crest-acetabulum.