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Table 5 Scores of articles rated by COSMIN checklist

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

Authors (year) Measurement properties assessed IRT used Score IRT A* B* C* D* E* F* G* 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
  1. +++ = 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.