. 2022 Jan 13;10:1049. Originally published 2021 Oct 15. [Version 3] doi: 10.12688/f1000research.73884.3

Table 2. Summary of quality assessment using MINORS and Modified Jadad Scale.

MINORS Scale				Modified Jadad Scale
Items	Mullins et al., 2017 ⁹	Chowdary et al., 2020 ⁷	Konkle et al., 2015 ⁵	Items	Klamroth et al., 2020 ¹⁵
A clearly stated aim	2	2	2	Randomization	1
Inclusion of consecutive patients	2	2	2	Randomization	1
Prospective collection of data	2	2	2	Concealment	0
Endpoints appropriate to the aim of the study	2	2	2	Concealment	0
Unbiased assessment of the study endpoint	0	0	0	Blinding	0
Follow-up period appropriate to the aim of the study	2	2	2	Blinding	0
Loss to follow up less than 5%	2	2	2	Withdrawal or drop-out	1
Prospective calculation of the study size	1	1	1	Withdrawal or drop-out	1
Results				Results
Total score	13	13	13	Total score	2
Study quality	High	High	High	Study quality	Low

MINORS, Methodological Index for Non-Randomized Studies.