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. 2022 Sep 8;17(9):e0273733. doi: 10.1371/journal.pone.0273733

Table 2. MINORS score in nonrandomized studies included in the review.

A Clearly Stated Aim Inclusion of Consecutive Samples Prospective Collection of Data Endpoints Appropriate to the Aim of the Study Unbiased Assessment of the Study Endpoint Follow-up Period Appropriate to the Aim of the Study Loss to Follow-Up Less than 5% Prospective Calculation of the Study Size An Adequate Control Group Contemporary Groups Baseline Equivalence of Groups Adequate Statistical Analyses Total
Miyake et al. 2021 2 2 2 2 0 2 2 0 2 2 2 2 20
Mohamed et al. 2020 2 2 2 2 0 2 2 0 2 2 1 2 19
Koguchi et al. 2020 2 2 2 2 0 2 2 0 2 2 1 2 19
Joshua et al. 2019 2 2 2 2 0 2 2 0 2 2 1 2 19
Yuk et al. 2018 2 2 2 2 0 2 2 0 2 2 2 2 20
Muto et al. 2013 2 2 2 2 0 2 2 0 2 2 1 2 19
Yoo et al. 2012 2 2 2 2 0 2 2 0 2 2 2 2 20
Okamura et al. 2011 2 2 2 2 0 2 2 0 2 2 2 2 20

MINORS, methodological index for nonrandomized studies. The items are scored 0 (not reported), 1 (reported but inadequate), or 2 (reported and adequate). The global ideal score is 16 for non-comparative studies and 24 for comparative studies.