text_1: 第 28 日时 的 死亡率 为 39% , 且 两组 无 显著 差异 ( 抗生素 组 41% 和 对照组 37% ; 差异 , 4 个 百分点 ; 95% CI , - 10 ~ 18 ) ( 补充 附录 表 S1 ) .
  
text_2: mortality at day 28 was 39 % and did not differ significantly between the two groups ( 41 % in the antibiotic group and 37 % in the control group ; difference , 4 percentage points ; 95 % CI , − 10 to 18 ) ( Table S1 in the Supplementary Appendix ) .
  