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Table 3 Methodological quality assessment of included studies by MINORS

From: Effect of non-surgical maxillary expansion on the nasal septum deviation: a systematic review

Methodological item Farronato et al. [15] Ss score Altug-Atac et al. [21] Score
1. A clearly stated aim Yes 1 Yes 1
2. Inclusion of consecutive patients Yes 1 Yes 1
3. Prospective collection of data Yes 1 Yes 1
4. Endpoints appropriate to the aim of the study Yes 1 Yes 1
5. Unbiased assessment of the study endpoint No 0 No 0
6. Follow-up period appropriate for the aim of the study Yes 1 Yes 1
7. Loss to follow-up less than 5 % Unclear 0.5 Unclear 0.5
8. Prospective calculation of study size No 0 No 0
9. An adequate control group No 0 Unclear 0.5
10. Contemporary groups Yes 1 No 0
11. Baseline equivalence of groups No 0 Unclear 0.5
12. Adequate statistical analysis Yes 1 Yes 1
Total score   7.5   7.5
  1. Score key: yes = 1, no = 0, unclear = 0.5