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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