text_1: 大部分 患者 为 女性 ( 70.1% ) , ≥ 70 岁 ( 80.2% ) , 在 骨折 之前 可不 使用 辅助 器械 而 行走 ( 74.4% ) , 大部分 患者 的 损伤 为头 下型 股骨颈 骨折 ( 61.9% ) .
  
text_2: the majority of patients were female ( 70.1 % ) , 70 years of age or older ( 80.2 % ) , and able to ambulate without the aid of an assistive device before their fracture ( 74.4 % ) , and the injury in the majority of the patients was a subcapital femoral neck fracture ( 61.9 % ) .
  