YANG Chaoqun 1,2,3 , LIU Wendi 1,2,3 , WANG Ziyi 1,2,3 , LIANG Shanshan 1,2,3 , DENG Xinxin 1,2,3 , WANG Yongsheng 1,2,3 , XU Zihan 4 , LI Xiuxia 1,2,3 , YANG Kehu 1,2,3
  • 1. Evidence Based Social Science Research Center/Health Technology Assessment Center, School of Public Health, Lanzhou University, Lanzhou 730000, P. R. China;
  • 2. Evidence Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, P. R. China;
  • 3. Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, Lanzhou University, Lanzhou 730000, P. R. China;
  • 4. School of Integrated Traditional Chinese and Western Clinical Medicine, Gansu University of Traditional Chinese Medicine, Lanzhou 730000, P. R. China;
LI Xiuxia, Email: lixiuxia@lzu.edu.cn; YANG Kehu, Email: kehuyangebm2006@126.com
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Objective To systematically review the research issues related to evidence quality grading methods for public health decision making. Methods PubMed, Web of Science, CNKI, WanFang Data, CBM and VIP databases were electronically searched to collect studies related to the application of evidence quality grading methods for public health decision making from inception to December 2022. The questions were constructed according to the SPIDER model. The quality of the included literature was evaluated by using the CASP checklist, and a three-level interpretation analysis of the questions on the application of quality rating methods for public health decision making was conducted using the thematic synthesis method to establish a pool of question entries. Results A total of 14 papers were included, covering seven countries. GRADE was the commonly used method for grading the quality of evidence. CASP evaluation results showed eight high quality studies, four medium quality studies and two low quality studies. The thematic synthesis method summarized 13 question entries in 7 categories. Conclusion The existing methodology for grading the quality of evidence for public health decision making suffers from the diversity of evidence sources and the underestimation of the level of evidence from complex intervention studies.

Citation: YANG Chaoqun, LIU Wendi, WANG Ziyi, LIANG Shanshan, DENG Xinxin, WANG Yongsheng, XU Zihan, LI Xiuxia, YANG Kehu. Methodological issues in grading the quality of evidence for public health decision-making: a qualitative systematic review. Chinese Journal of Evidence-Based Medicine, 2023, 23(12): 1413-1418. doi: 10.7507/1672-2531.202306114 Copy

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