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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Vertebral mobility is a valuable indicator for predicting and determining bone union in osteoporotic vertebral fractures: a conventional observation study

Fig. 2

Cumulative numbers of bone unions and semi-unions of OVFs. The cumulative numbers at 3, 4, and 6 months after OVF onset and in the final evaluation according to V-mobility cutoff values of 1.0 mm, 1.5 mm, and 2.0 mm of Ha for bone union are shown. The semi-unions except for those determined to be semi-united as the final evaluation (semi-union as final evaluation) were under follow-up until the detection of bone union (semi-union under F/U). When the V-mobility in Ha for bone union was set at 1.5 mm and 2.0 mm, there was no additional bone union and the one additional OVF, respectively, at 3 months after OVF. At 4 months after OVF, there were two additional OVFs at both cutoff values. When the V-mobility in Ha for semi-union was set at 1.5 mm and 2.0 mm, the additional number of semi-unions seemed to increase more clearly than that of bone unions, particularly at 3 months after OVF. OVF, osteoporotic vertebral fracture; V-mobility, vertebral mobility; Ha, anterior vertebral height; F/U, follow-up; Final, final evaluation

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