Table 2

Twelve-item scale critical appraisal scores

AuthorTwelve-item scale critical appraisal score
123456789101112Quality
Comyn et al 16 YYYYYYYYYYYYHigh
Yang et al 5 NYYYYYYYYYYYHigh
Su et al 14 NYYYNYYYYYYYHigh
Sohn et al 22 NYYYNYYYYYYYHigh
Han et al 23 NYNNNYYYYYYYHigh
Farahvash et al 17 NYYYNYYYYYYYHigh
Ahn et al 18 YYNNNYYYYYYYHigh
Hernandez-Da15 NYNNNYYYYYYYHigh
di Lauro et al 24 NYNNNYYYYYYYHigh
Modarres et al 25 NYNYNYYYYYYYHigh
Ahmadieh et al 26 YYYYYYYYYYYYHigh
Da and Lucena et al 27 YYYYNYYYYYYYHigh
Rizzo et al 28 YYYNNYYYYYYYHigh
El-Batarny4 NYNNNYYYYYYYHigh
  • Twelve-item scale criteria: (1) method of randomisation; (2) concealed allocation; (3) patient blinding; (4) provider blinding; (5) outcome assessor blinding; (6) dropout rate; (7) patient allocated as plan; (8) free of selective outcome reporting; (9) same baseline; (10) co-interventions avoided or similar; (11) acceptable compliance; (12) same time of outcome assessment.

  • A trial with a score of ≥7 was considered high quality, >4 but no more than 7 was considered moderate quality, and no more than 4 was considered low quality.

  • Y, yes; n, no.