Main Outcome Measurements: Multivariate linear regressions were performed to determine the effects that age, sex, fracture type, cement augmentation, and medial support had on loss of reduction.

• 主要结果测量：进行多变量线性回归分析以确定年龄、性别、骨折类型、骨水泥加固、内侧支撑对骨折复位丢失的影响。