Health-related quality of life after TBI: a systematic review of study design, instruments, measurement properties, and outcome

Table 3 Methodological quality per measurement property in nine validation studies

Authors, year, reference	Instrument¹	Internal consistency	Reliability	Content validity	Structural validity	Validity-Hypotheses testing	Responsiveness	Interpretability
Findler, 2001 [42]	SF-36	Fair				Good
MacKenzie, 2002 [43]	SF-36	Good		Good		Good
Guilfoyle, 2010 [44]	SF-36	Good	Excellent			Fair		Excellent
Von Steinbuechel, 2010 [45]	QOLIBRI			Excellent		Good
Lin, 2013 [50]	QOLIBRI			Excellent		Good	Good	Good
Von Steinbuechel, 2012 [46]	QOLIBRI-OS	Excellent		Excellent	Excellent	Good		Fair
Teasdale, 1997 [47]	EBIQ	Excellent		Fair
Thomas-Stonell, 2006 [48]	CHQ					Fair
Chiu, 2006 [49]	WHOQOL-BREF	Excellent	Good	Good		Excellent	Good	Good

¹CHQ = Child Health Questionnaire; EBIQ = European Brain Injury Questionnaire; QOLIBRI = Quality of Life after Brain Injury; QOLIBRI-OS = QOLIBRI overall scale; SF-36 = Medical Outcome Study Short form-36 items; WHOQOL-BREF = Short version of the WHOQOL.

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