Table 1.

CASP diagnostic checklist in research articles considering only patients with thyroid cancer.

Authors, Ref.	1	2	3	4	5	6	7	8	9	10	11	12
	Was There a Clear Question for the Study to Address?	Was There a Comparison with an Appropriate Reference Standard?	Did All Patients Get the Diagnostic Test and Reference Standard?	Could the Results of the Test Have Been Influenced by the Results of the Reference Standard?	Is the Disease Status of the Tested Population Clearly Described?	Were the Methods for Performing the Test Described in Sufficient Detail?	What Are the Results?	How Sure Are We about the Results? Consequences and Cost of Alternatives Performed?	Can the Results be Applied to Your Patients/the Population of Interest?	Can the Test be Applied to Your Patient or Population of Interest?	Were All Outcomes Important to the Individual or Population Considered?	What Would be the Impact of Using This Test on Your Patients/Population?
Fu et al. [34]	☺	☺	☺	☹	☺	☺	Sensitivity and specificity	Data are clear	☺	☺	☺	More experience is needed
Mu et al. [35]	☺	☹	?	?	?	☺	Detection rate	Not clear	?	?	?	No information about the standard of reference
Sayiner et al. [36]	☺	☺	☺	☹	☺	☺	Detection rate	Not clear	☺	☺	☺	Limited data in small population
Chen et al. [37]	☺	☺	☺	☹	☺	☺	Descriptive analysis	Not clear	?	?	?	Limited data
Ballal et al. [38]	☺	☺	☺	☹	☺	☺	Detection rate and semiquantitative data	Not clear	☺	☺	?	The effect on the management is unclear
Ballal et al. [52]	☺	☺	☺	☹	☺	☺	Detection rate and semiquantitative data	Not clear	?	?	?	Limited data

☺ Yes; ? Cannot tell; and ☹ No.