Table 6.

Methodological quality by COSMIN checklist of the studies analyzing concurrent validity between HHD and ID.

Author	Was the percentage of missing values given?	Was there a description of how missing values were handled?	Was the sample size analysis adequate?	Important flaws Random allocation	Can the employed criteria be considered on par with the gold standard?	Statistical methods	Rating
Arnold, C	Good	Fair	Poor	Excellent	Good	Excellent	Poor
Wang, Y	Good	Fair	Good	Excellent	Excellent	Excellent	Fair
Neil S,	Good	Fair	Poor	Fair	Excellent	Good	Poor
Mentiplay B,	Good	Fair	Fair	Excellent	Excellent	Good	Fair