Table 3.

Discriminant capacity of EQ-5D and SF-6D utility scores.

Measure		Utility Score, mean (SD)	p^*	Effect Size
EQ-5D	SF-general health
	Excellent/very good	0.91 ± 0.11		0.91^**
	Good	0.79 ± 0.15
	Fair/poor	0.65 ± 0.28	0.001	0.62^***
SF-6D	SF-general health
	Excellent/very good	0.82 ± 0.09		0.94
	Good	0.72 ± 0.12		—
	Fair/poor	0.61 ± 0.12	< 0.0001	0.92

↵* One-way ANOVA.
↵** Comparison between excellent/very good versus good subgroup.
↵*** Comparison between good versus fair/poor subgroup. EQ-5D: EuroQol-5D; SF-6D: Short form-6D.