Fig. 2From: Relationship between the atlantodental interval and T1 slope after atlantoaxial fusion in patients with rheumatoid arthritisLinear graph with means ± SDs for the a Oc-C2 angle, b C2–C7 angle, c T1 slope, and d cSVA, classified by the median preoperative ADI. SD standard deviation, cSVA cervical sagittal vertical axis, ADI atlantodental intervalBack to article page