Evaluation of Electromyographic Activity of Masticatory Muscles in Adults with Posterior Crossbite

Table 4

Quality evaluation of the selected studies.

Author/year	Study design	Sample size	Selection description	Valid measurement methods	Blinding in measurements	Method error analysis	Adequate statistics provided	Confounding factors	Judged quality standard
Dong et al. [15], 2008	Cross-sectional studies with control group	No	Adequate	Adequate	No	No	Adequate	No	Medium (6)
Moreno et al. [18], 2008	Observational study	No	Adequate	Adequate	No	No	Adequate	No	Low (4)
Saifuddin et al. [16], 2003	Cross-sectional studies with control group	No	Adequate	Adequate	No	No	Adequate	No	Medium (6)
Sverzut et al. [40], 2011	Quasiexperimental clinical trial	No	Adequate	Adequate	No	No	Adequate	No	Medium (6)
Takeshita et al. [41], 2013	Case report	No	Inadequate	Inadequate	No	No	Not related	No	Low (1)
Tecco et al. [7], 2010	Cross-sectional studies with control group	No	Adequate	Adequate	No	Yes	Adequate	No	Medium (7)
Woźniak [17], 2015	Cross-sectional studies with control group	No	Adequate	Adequate	No	No	Adequate	No	Medium (6)
Yamasaki et al. [42], 2015	Observational study	No	Inadequate	Adequate	No	Yes	Adequate	No	Low (4)

Quality evaluation, according to Andrade et al. [20].