Table 1.

QAREL scores.

		1	2	3	4	5	6	7	8	9	10	11	12
		Armstrong et al.21	Blonna et al.15	Chapleau et al.6	Cimatti et al.30	Fieseler et al.3	Flowers et al.31	Gajdosik32	Goodwin et al.33	Low34	Petherick et al.35	Rothstein et al.36	Zwerus7
1	Was the test evaluated in a sample of subjects who were representative of those whom the authors intended the results to be applied?	1	1	1	1	1	1	1	1	1	1	1	1
2	Was the test performed by raters who were representative of those to whom the authors intended the results to be applied?	1	1	1	0	1	1	Uncl	1	1	Uncl	1	1
3	Were raters blinded to the findings of other raters during the study?	1	1	0	1	N/A	1	N/A	Uncl	Uncl	1	1	1
4	Were raters blinded to their own prior findings of the test under evaluation?	0	1	0	0	Uncl	1	1	Uncl	1	1	1	1
5	Were raters blinded to the results of the accepted reference standard or disease status for the targeted disorder (or variable) being evaluated?	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
6	Were raters blinded to clinical information that was not intended to be provided as part of the testing procedure or study design?	1	Uncl	N/A	Uncl	Uncl	Uncl	N/A	N/A	N/A	N/A	Uncl	N/A
7	Were raters blinded to additional cues that were not part of the test?	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
8	Was the order of examination varied?	1	0	0	1	0	1	Uncl	Uncl	0	Uncl	Uncl	1
9	Was the stability of the variable being measured taken into account when determining the suitability of the time interval between repeated measures?	1	1	N/A	1	1	1	1	1	N/A	N/A	1	1
10	Was the test applied correctly and interpreted appropriately?	1	1	1	1	1	1	1	0	1	1	1	1
11	Were appropriate statistical measures of agreement used?	1	1	1	1	1	Uncl	1	0	0	1	1	1
	Total	8	7	4	6	5	7	5	3	4	5	7	8
	Score (%)	73	64	36	55	45	64	45	27	36	45	64	73

QAREL:Quality Appraisal of Diagnostic Reliability.