LIU Guanjian , HONG Qi
  • Department of Clinical Epidemiology; West China Hospital; Sichuan University; Chengdu; 610041 China;
Confidence interval; evidence-based medicine
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In this paper, we introduce meaning and purpose of confidence interval (CI) in evidence-based medicine, For example, RRR ,ARR ,NNT. It s referance for user and doer of EBM in China.

Citation： LIU Guanjian,HONG Qi. Meaning and purpose of statistical measures. Chinese Journal of Evidence-Based Medicine, 2001, 01(4): 235-238. doi: Copy