Table 3

Scoring of the articles from the review update

Studies (authors, year)	Questionnaires	Structural validity	Internal consistency	Cross-cultural validity	Reliability	Measurement error	Construct validity	Responsiveness
Papers from the update
Lee et al, 201539	HOS		Very good	Adequate	Doubtful		Very good	Inadequate
Ruiz-Ibán et al, 201541	iHOT-33		Doubtful	Very good	Adequate	Adequate	Inadequate	Adequate
Impellizzeri et al, 201536	COMI						Adequate	Doubtful
Impellizzeri et al, 201537	OHS	Adequate	Inadequate		Adequate	Adequate	Inadequate	Adequate
Baumann et al, 201627	iHOT-12		Very good	Adequate	Doubtful	Doubtful	Adequate	Inadequate
Baumann et al, 201628	iHOT-33		Doubtful	Adequate	Doubtful	Doubtful	Adequate	Inadequate
Polat et al, 201740	HOS		Very good	Adequate	Adequate	Adequate	Adequate	Adequate
Costa et al, 201832	HOS		Very good	Doubtful	Doubtful	Doubtful	Very good
Tijssen et al, 201845	iHOT-33	Inadequate	Inadequate	Adequate	Very good	Very good	Very good
Li et al, 201746	iHOT-33		Doubtful	Adequate	Adequate	Adequate	Adequate	Adequate

COMI, Core Outcome Measures Index; HOS, Hip Outcome Score; iHOT, International Hip Outcome Tool; OHS, Oxford Hip Score.