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. 2021 Sep 29;162(1):88–108.e9. doi: 10.1053/j.gastro.2021.09.055

Supplementary Table 2.

Risk of Bias Assessment by Joanna Briggs Institute Critical Appraisal Checklist

Author Year Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9
Damiani 2021 Yes Yes Yes No No NA Yes NA NA
Deepak 2021 Yes Yes Yes Yes No Yes Yes Yes Yes
Geisen 2021 Yes Yes Yes Yes Yes Yes Yes Yes Yes
Kennedy 2021 Yes Yes Yes No No Yes Yes Yes Yes
Wong 2021 Yes Yes Yes Yes No Yes Yes Yes Yes
Boyarsky 2021 Yes Yes Yes No No NA No Yes Yes
Kappelman 2021 Yes Yes Yes No No Yes Yes Yes Yes
Furer 2021 Yes Yes Yes Yes No Yes Yes Yes Yes
Shenoy 2021 Yes Yes Yes No Yes Yes Yes Yes Yes
Haidar 2021 Yes Unclear Unclear Yes No Yes Yes Yes Yes
Haberman 2021 Yes Yes Yes Yes No Yes Yes Yes Yes
Mahil 2021 Yes Yes Yes Yes Yes Yes Yes Yes Yes
Simon 2021 Yes Yes Yes Yes No Yes Yes Yes Yes
Al-Janabi 2021 Yes Yes Yes No No Yes Yes Yes Yes
Bugatti 2021 Unclear Yes Yes No Yes Yes Yes Yes Yes
Braun-Moscovici 2021 Yes Yes Yes No No Yes Yes Yes Yes
Demoulin 2021 Yes Yes Yes No Yes Yes Yes Yes Yes
Seyahi 2021 Yes Yes Yes Yes Na Yes Yes Yes Unclear
Ruddy 2021 Yes Yes Yes No No Yes Yes Yes Yes
Mrak 2021 Yes Yes Yes Yes No Yes Yes Yes Yes
Chung 2021 Yes Yes Yes No No Yes No Yes Yes
Benucci 2021 Yes Yes Yes No No Yes Yes Yes Yes
Spiera 2021 Yes Yes Yes No No No No Yes Yes
Ammitzbøll 2021 Yes Yes Yes No Yes Yes Yes Yes Yes
Medeiros-Ribeiro 2021 Yes Yes Yes Yes Yes Yes Yes Yes Yes
Dailey 2021 Yes Yes Yes Unclear No Yes Yes Yes Yes

NOTE. Q1: Is it clear in the study what is the “cause” and what is the “effect” (ie, there is no confusion about which variable comes first)?; Q2: Were the participants included in any comparisons similar?; Q3: Were the participants included in any comparisons receiving similar treatment/care, other than the exposure or intervention of interest?; Q4: Was there a control group?; Q5: Were there multiple measurements of the outcome both pre and post the intervention/exposure?; Q6: Was follow-up complete and if not, were differences between groups in terms of their follow-up adequately described and analyzed?; Q7: Were the outcomes of participants included in any comparisons measured in the same way?; Q8: Were outcomes measured in a reliable way?; Q9: Was appropriate statistical analysis used?

NA, not applicable.