Table 4.

Quality Assessment of the Included Studies According to the Quality Assessment of Studies of Diagnostic Accuracy-2^a

Study	Risk of Bias				Total	Applicability Concerns			Total
	Patient Selection	Index Test	Reference Standard	Flow and Timing		Patient Selection	Index Test	Reference Standard
Sharan and Madjar (2006)12	High	Unclear	Unclear	Low	High	Low	Low	Low	Low
Lin (2009)15	Unclear	Unclear	Unclear	Low	Medium	Low	Low	Low	Low
Jung and Cho (2009)19	High	Unclear	Unclear	Low	High	Low	Low	Low	Low
Ali et al. (2012)20	Unclear	Unclear	Unclear	Low	Medium	Low	Low	Low	Low
Fakhar et al. (2014)21	High	Unclear	Unclear	Low	High	Unclear	Low	Low	Low
Bokkasam et al. (2015)16	High	Unclear	Unclear	Low	High	Unclear	Low	Low	Low
Roque-Torres et al. (2015)17	Low	Low	Low	Low	Low	Low	Low	Low	Low
DehghaniTafti et al. (2015)18	Unclear	Unclear	Unclear	Low	Medium	Unclear	Low	Low	Low
Lopes et al. (2016)22	High	Low	Low	Low	Medium	Unclear	Low	Low	Low
Mi et al. (2016)23	Unclear	Unclear	Unclear	Low	Medium	Low	Low	Low	Low
Kalkur et al. (2017)24	High	Unclear	Unclear	Low	High	Low	Low	Low	Low

^aHigh indicates high risk; medium, medium risk; low, low risk.