Patient-Reported Outcome questionnaires for hip arthroscopy: a systematic review of the psychometric evidence

Table 5 Scores of articles rated by COSMIN checklist

Authors (year)	Measurement properties assessed	IRT used	Score IRT	A*	B*	D*	E*	F*	I*	J*	Generalisability per box
Chirstensen et al. (2003) [21]	Internal consistency Reliability Content validity Hypotheses testing	No		+	0	+		+			++ A ++ B ++ D ++ F
Martin et al. (2006) [22]	Internal consistency Hypothesis testing Structural validity	Yes	++	++			+	+			+++ IRT +++ A +++ E +++ F
Martin et al. (2007) [23]	Hypothesis testing Structural validity Interpretability	No					++	+		++	++ E ++ F ++ J
Martin et al. (2008) [24]	Reliability Responsivenss Interpretability	No			+				+	+	0 B ++ I ++ J
Potter et al. (2005) [20]	Construct validity	No						+++			+++ F

+++ = excellent. ++ = good. + = fair. 0 = poor. Empty boxes = not applicable. IRT = Item Response Theory. * = A = internal consistency. B = reliability. C = measurement error. D = content validity. E = structural validity. F = hypothesis testing. G = cross-cultural validity. H = criterion validity. I = responsiveness. J = interpretability.

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