Fig. 4

The methods used to derive measurements from lateral radiographs. KA (kyphotic angle) = the angle between line 1 and line 2. CR (compression ratio) = AVH/PVH. AVH anterior vertebral height, PVH posterior vertebral height
The methods used to derive measurements from lateral radiographs. KA (kyphotic angle) = the angle between line 1 and line 2. CR (compression ratio) = AVH/PVH. AVH anterior vertebral height, PVH posterior vertebral height