Table 2.

Summary of evidence for SF-36 by property (more detailed evidence is presented in the Appendix found at doi:10.1016/j.jval.2011.04.006)

Number of studies	√	?	X
Known groups validity	11	1	0
Convergent validity	7	2	5
Responsiveness	1	2	5

KEY

√ Evidence suggests property exists (e.g., statistically significant difference in scores for known groups validity or moderate to strong correlations for convergent validity).

? Mixed evidence for property.

X Evidence suggests property does not exist (e.g., weak correlations for convergent validity).