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. 2021 Aug 1;13(3):434–443. doi: 10.3390/pediatric13030050

Table 1.

Quality assessment of included studies.

Study Number of Included Trials or Studies Comorbidity Adverse Events PICO § Quality Assessment Protocol Comprehensive Literature Search Duplicate Study Selection Duplicate Data Extraction List of Excluded Studies and Justification Included Studies Described Adequately Risk of Bias Assessment Discussion of Heterogeneity Investigation of Publication Bias and Discussion of Impact on Results Sources of Funding for Included Studies Reported Appropriate Methods for Statistical Combination of Results in Meta-Analysis Impact of RoB in Individual Studies on the Results of the Meta-Analysis or Other Evidence Synthesis Assessed RoB in Individual Studies Accounted for in Interpretation/Discussion of Results Authors Funding Sources and Conflicts of Interest Described
Catala-Lopez 2017 190
(n = 26,114)
Yes Yes 4/4 Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes
Cerrillo-Urbina 2018 15
(n = 4248)
Unclear Yes 4/4 Yes Yes Yes Yes Yes No Partially yes Yes Yes Yes No Yes Yes Yes Yes
Holmskov 2017 185
(n = 12,245)
Yes Yes 4/4 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Kemper 2018 90
(n = unclear)
Yes Yes 4/4 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Cortese 2018 133
(n = 24,642)
Yes Yes 4/4 Yes Yes Yes Unclear Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Liu 2019 10 **
(n = 4,221,929)
Yes Yes 3/4 Yes No Yes Yes Yes No Yes Yes Yes Yes No Yes No No Yes
Ramstad 2018 27
(n = 76,237)
No Yes 4/4 Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes
Storebø 2018 260 **
(n = 2,283,509)
Yes Yes 4/4 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Solmi 2020 138 ***
(n = 336,065)
Unclear Yes 4/4 Yes Yes Yes Yes Yes No No Yes No No No No meta-analysis No meta-analysis No meta-analysis Yes
Osland 2018 8
(n = 510)
Yes Unclear 4/4 Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No meta-analysis No meta-analysis No meta-analysis No
Punja 2016 3 *
(n = 39)
Unclear Yes 4/4 Partially yes No Yes Yes Yes No Yes Yes Yes Yes No Yes Yes Yes Yes
Coghill 2014 60
(n = unclear)
Yes No 3/4 No Yes Yes Yes Yes Yes No No Yes No No Yes No No Yes
Stuckelman 2017 32
(n = 3664)
No No 4/4 No No No Yes Yes No No No Yes Yes No Yes No No Yes
Hennissen 2017 18
(n = 5837)
Yes Yes 4/4 No No Yes Yes No No Yes No Yes No No Yes No No Yes
Joseph 2017 36
(n = unclear)
Yes Yes 4/4 Yes Yes Yes Yes Yes No No No Yes No No Yes No No Yes
Kambeitz 2014 16
(n = 1572)
Unclear No 3/4 No No No No No No Yes No Yes Yes No Yes No No Yes
Li 2017 62
(n = 12,930)
Unclear Yes 4/4 No No Yes Yes Yes No Yes No Yes No No Yes No No No
Liang 2018 22
(n = 46,107)
Unclear Yes 3/4 Yes Yes Yes Yes Yes No Yes No Yes Yes No Yes No No Yes
Maia 2017 7
(n = 444)
Unclear Yes 3/4 Yes No Yes Yes Yes Yes Yes No Yes No Yes Yes No No Yes
Myer 2018 36
(n = 3647)
No Yes 2/4 Yes No No Yes No No Yes No Yes Yes No Yes No No Yes
Pozzi 2018 45
(n = unclear)
Yes Yes 3/4 No No No Yes Yes No Yes Unclear Yes Yes No Yes No No Yes
Prasad 2013 43
(n = 2110)
No No 4/4 Yes No Yes Yes Yes No Yes Yes Yes Yes No Yes No Yes Yes
Punja 2013 13
(n = 882)
No Yes 4/4 No No Yes Yes Yes No Yes Yes Yes No Yes Yes Yes No Yes
Rezaei 2016 11
(n = 2772)
Yes Unclear 4/4 Yes No Yes Yes Yes No No No Yes Yes No Yes No No Yes

Studies with bold caption rated as good quality evidence according to AMSTAR 2. § Participants, intervention, control, outcomes. * Individual participant data (IPD). ** Non-randomized studies of intervention effects (NRSI). *** Combined randomized clinical trials and NRSI.