Vitrectomy with internal limiting membrane peeling versus inverted internal limiting membrane flap technique for macular hole-induced retinal detachment: a systematic review of literature and meta-analysis

Table 1 MINORS for assessing quality of included studies

Methodological item for non-randomized studies	Matsumura et al [22]	Baba et al [23]	Sasaki et al [24]	Chen et al [25]
1. A clearly stated aim	2	2	2	2
2. Inclusion of consecutive patients	2	2	2	2
3. Prospective collection of data	0	0	0	0
4. Endpoints appropriate to the aim of the study	2	2	2	2
5. Unbiased assessment of the study endpoint	0	0	0	0
6. Follow-up period appropriate to the aim of the study	2	2	2	2
7. Loss to follow up less than 5%	2	2	2	2
8. Prospective calculation of the study size	0	0	0	0
9. An adequate control group	2	2	2	2
10. Contemporary groups	0	0	0	0
11. Baseline equivalence of groups	2	2	2	2
12. Adequate statistical analyses	2	2	2	2
Total score	16	16	16	18

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