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Lifetime table analysis of the treatment survival in the two groups. The end point is the failure of the procedure. The treatment was considered failed when a fracture occurred or when there was no response to treatment after 6 months or in the presence of recurrence of the cyst with the need for subsequent treatment (Neer IV). The DBM + BMC Group showed fewer failures compared to the Steroid Group (Wilcoxon-Gehan test; p = 0.001).
