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Radiographic evaluation of compressed vertebrae. (a) The anterior vertebral height ratio (AVHR) was defined as the height of the anterior wall of the compressed vertebral body (B)/(the height of the anterior wall of the upper vertebral body (A) + the height of the anterior wall of the lower vertebral body (C)) × 2. (b) Cobb angle was defined as the angle formed by the upper endplates (line a) and lower endplates (line b) of the fractured vertebral body.
