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Fig 1. Location of prevalent and incident vertebral fractures. Two nonexclusive groups of incident fractures are shown—incident fractures following only the first vertebroplasty in a given patient and incident fractures following all vertebroplasties in a given patient. All data are shown as a percentage of that group of fractures. The distribution of prevalent fractures is bimodal with peaks around T8–T9 and T12–L1, with L1 as the most-common prevalent fracture location. The distributions of both groups of incident fractures were significantly different from the distribution of prevalent fractures with essentially a uniform distribution across the spine. There was no significant difference in the distributions of the 2 incident fracture groups.
