BMC Psychiatry

Table 2 Quality assessment of included studies

From: Aripiprazole for the treatment of tic disorders in children: a systematic review and meta-analysis

References	Quality assessment
References	Random sequence generation	Allocation concealment	Blinding	Incomplete outcome data	Selective reporting	Bias from other resources
Ghanizadeh2013 [9]	Low risk	Low risk	Low risk	Low risk	Unclear	Low risk
Yoo 2013 [10]	Unclear	Unclear	Unclear	Low risk	Low risk	Low risk
Yoo 2011 [14] ^a	High risk	Unclear	High risk	Low risk	Unclear	Low risk
Wang 2013 [25]	High risk	Unclear	Unclear	Low risk	Unclear	High risk
Liu 2010 [26]	Unclear	Unclear	Unclear	Unclear	Unclear	Low risk
Liu 2011 [27]	High risk	Unclear	Unclear	Unclear	Unclear	Low risk
Cheng 2012 [28]	Unclear	Unclear	Unclear	Low risk	Unclear	High risk
Ren 2012 [29] ^a	Low risk	Unclear	High risk	Unclear	Unclear	Low risk
Zhao 2011 [30]	High risk	Unclear	Unclear	Unclear	Unclear	Low risk
Guo 2013[31]	Unclear	Unclear	Unclear	Low risk	Unclear	Low risk
Gao 2013 [32] ^a	Low risk	Unclear	High risk	Unclear	Unclear	Low risk
Liang 2010 [33]	High risk	Unclear	Unclear	Low risk	Unclear	Low risk

^a: they are open-label studies which did not use the method of blinding, so we justify them as high risk. Many studies did not mention the details of blinding, so we justify them as unclear

Back to article page

ISSN: 1471-244X

Contact us

Submission enquiries: bmcpsychiatry@biomedcentral.com
General enquiries: ORSupport@springernature.com