Effects of hyperandrogenism on metabolic abnormalities in patients with polycystic ovary syndrome: a meta-analysis

Yang, Rui; Yang, Shuo; Li, Rong; Liu, Ping; Qiao, Jie; Zhang, Yanwu

doi:10.1186/s12958-016-0203-8

Table 2 Methodological quality assessment of the included cross-sectional studies

From: Effects of hyperandrogenism on metabolic abnormalities in patients with polycystic ovary syndrome: a meta-analysis

Included studies	Q1	Q2	Q3	Q4	Q5	Q6	Q7	Q8	Q9	Q10
Hosseinpanah 2014 [6]	Yes	Yes	Yes	Yes	Unclear	Yes	No	No	No	Yes
Kim 2014 [7]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	Yes	No	No
Lerchbaum 2014 [8]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Livadas 2014 [9]	Yes	Yes	Yes	Yes	Unclear	Yes	No	Yes	No	Yes
Sung 2014 [10]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	Yes	No	Yes
Tehrani 2014 [11]	Yes	Yes	Yes	Yes	Unclear	Yes	No	No	No	Yes
Ates 2013 [12]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Di Sarra 2013 [13]	Yes	Yes	No	Unclear	Unclear	No	No	No	No	Yes
Zhu 2013 [14]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	Yes	No	Yes
Gluszak 2012 [15]	No	Yes	No	Unclear	Unclear	No	No	No	No	Yes
Jones 2012 [16]	No	Yes	No	Unclear	Unclear	Yes	No	No	No	Yes
Li 2012 [17]	No	Yes	No	Unclear	Unclear	Yes	No	No	No	Yes
Ozkaya 2012 [18]	Yes	Yes	Yes	Yes	Unclear	Yes	No	No	No	Yes
Cupisti 2011 [19]	No	Yes	Yes	Unclear	Unclear	Yes	No	No	No	No
Mehrabian 2011 [20]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Melo 2011 [21]	Yes	Yes	Yes	Yes	Unclear	Yes	No	No	No	Yes
Wijeyaratne 2011 [22]	Yes	Yes	Yes	Yes	Unclear	Yes	No	No	No	No
Yilmaz 2011 [23]	Yes	Yes	Yes	Unclear	Unclear	No	No	No	No	Yes
Castelo-Branco 2010 [24]	No	Yes	Yes	Yes	Unclear	Yes	No	No	No	Yes
Guo 2010 [25]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Goverde 2009 [26]	Yes	Yes	No	Unclear	Unclear	Yes	No	No	No	No
Barber 2007 [27]	Yes	Yes	No	Unclear	Unclear	Yes	No	No	No	No
Shroff 2007 [28]	Yes	Yes	Yes	Unclear	Unclear	No	No	Yes	No	Yes
Chen H 2014 [29]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Li YC 2014 [30]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Ha LX 2013 [31]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Tao T 2013 [32]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Li J 2011 [33]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Liu L 2011 [34]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	No
Qu ZY 2011 [35]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Xu LS 2010 [36]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes
Zhang L 2010 [37]	Yes	Yes	Yes	Unclear	Unclear	Yes	No	No	No	Yes

AHRQ was used to assess the quality of the cross-sectional studies—Q1:whether there was a clear source of data (surveys, literature review);Q2:whether the inclusion and exclusion criteria of the exposure or nonexposure groups (case and control groups) were listed or referred to as previous literature;Q3:whether the period of time to identify patients was provided;Q4:for subjects who did not come from the crowd, whether they were continuously observed;Q5:whether the other aspects of the subjects were overshadowed by the subjective factors of the evaluators;Q6:whether any evaluation to ensure the quality was described (such as test/retest of the primary outcomes);Q7:whether the reasons to exclude any patient were provided;Q8:whether the measures to evaluate and control confounding factors were described;Q9:if possible, whether the studies explain how to handle the missing data;Q10:whether the studies summarized the response rate of the patients and the integrity of data collection

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ISSN: 1477-7827

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