Consistency of recommendations and methodological quality of guidelines for the diagnosis and treatment of COVID-19

Supplementary 1 Search Strategy

PubMed（n=1432）

#1. "novel coronavirus"[Title/Abstract]

#2. 2019-CoV[Title/Abstract]

#3. 2019-nCoV[Title/Abstract]

#4. COVID-19[Title/Abstract]

#5. SARS-CoV-2[Title/Abstract]

#6. "Novel pneumonia"[Title/Abstract]

#7. "COVID-19" [Supplementary Concept]

#8. "severe acute respiratory syndrome coronavirus 2" [Supplementary Concept]

#9. OR #1-#8

#10. "Guideline"[Publication Type]

#11. "Practice Guideline"[Publication Type]

#12. "guideline*"[Title]

#13. "guidance*"[Title]

#14. "recommendation*"[Title]

#15. OR #10-#14

#16. #9 AND #15

CNKI（n=85）

#1. 指南[题目]

#2. 推荐意见[题目]

#3. OR/#1-#2

#4. COVID-19[主题]

#5. 2019-nCoV[主题]

#6. 新型冠状病毒[主题]

#7. 新型肺炎[主题]

#8. SARS-CoV-2

#9. OR/#4-#8

#10. #3 AND #9

#11. #10 lim 2019/12/1-2020/8/31[发表时间]

WANFANG (n=130)

#1. 指南[题名]

#2. 推荐意见[题名]

#3. OR/#1-#2

#4. COVID-19[主题]

#5. 2019-nCoV[主题]

#6. 新型冠状病毒[主题]

#7. 新型肺炎[主题]

#8. SARS-CoV-2

#9. OR/#4-#8

#10. #3 AND #9

#11. lim 2019-[发表时间] CBM (n=63)

#1. "指南"[不加权:扩展]

#2. "指南"[常用字段:智能]

#3. "推荐意见"[常用字段:智能]

#4. OR/#1-#3

#5. "COVID-19"[常用字段:智能]

#6. "2019-nCoV"[常用字段:智能]

#7. "新型冠状病毒"[常用字段:智能]

#8. "新型肺炎"[常用字段:智能]

#9. "SARS-CoV-2"[常用字段:智能]

#10. OR/#5-#9

#11. #4 AND #10

#12. lim 2019-[发表时间]

NICE (n=20)

#1 COVID-19 OR #2 SARS-CoV-2

GIN (n=11)

#1 COVID-19 OR #2 SARS-CoV-2

SIGN (n=9)

#1 COVID-19 OR #2 SARS-CoV-2

WHO (n=162)

#1 COVID-19 OR #2 SARS-CoV-2 Google Scholar (n=100)

#1 COVID-19 AND #2 guideline