text_1: 两个 治疗 组 的 死亡率 相似 ( 全 髋关节 置换术 组 14.3% 和 股骨头 置换术 组 13.1% , P = 0.48 ) .
  
text_2: mortality was similar in the two treatment groups ( 14.3 % among the patients assigned to total hip arthroplasty and 13.1 % among those assigned to hemiarthroplasty , P = 0.48 ) .
  