xRead - Treatment of Cleft Lip and Cleft Palate (May 2025)
Jayarajan et al
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Figure 1. Study selection PRISMA-P flow diagram.
Table 1. Quality Assessment of Included Studies.
Statistical Analysis
Level of Evidence a Technique
Randomization Blinding
Study
Study Design
Marimuthu et al. (2013) Yasonov et al. (2016)
RCT
II
Open versus closed Open versus closed Open versus closed
Yes No No Yes No No No No No No No No No No Yes No
Patients and assessor
Yes Yes Yes Yes No No No No Yes Yes Yes Yes Yes No Yes Yes
Retrospective cohort Retrospective cohort
III III
Assessors Assessors Assessors
Lu et al. (2012)
Chang et al. (2010)
Case series Case series Case series Case series Case series Case series Case series
IV Open IV Open IV Open IV Open IV Open IV Closed IV Closed
Chowchuen et al. (2010)
No No No No No No No No No No No No
Thomas (2009) Ahuja (2006)
Trott and Mohan (1993) Spencer and Buzzo (2017)
Tang et al. (2016) Lonic et al. (2016)
Retrospective cohort
III
Closed versus
overcorrection with Tajima
Kluba et al. (2015) Margulis et al. (2014)
Case series Case series Case series Case series
IV Closed IV Closed IV Closed IV Closed IV Closed
Rottgers and Jiang (2010)
Kim et al. (2004)
McComb and Coghlan (1996) Case series
Abbreviation: RCT, randomized controlled trial. a Oxford Center for Evidence-Based Medicine—level of evidence for the included studies.
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