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Measurement of vertebral body height and wedge angle.
X-rays obtained (a) 1 week postoperatively and (b) 3 months postoperatively are shown. Pre- and postoperative vertebral body height are indicated with A and A´, respectively. Pre- and postoperative wedge angle are indicated with α and α´, respectively. Change in vertebral height is A – A´ and change in wedge angle is α – α´. Recompression of augmented vertebra is defined as A – A´ ≥ 5.
