A comparison of the sensitivity of EQ-5D, SF-6D and TTO utility values to changes in vision and perceived visual function in patients with primary open-angle glaucoma

Table 4 Spearman’s rank correlation coefficients and significance levels between utility values and VFQ-25 scores

VFQ-25 scores	EQ-5D		SF-6D		TTO
	r	P-value	r	P-value	r	P-value
General health	0.56	<0.001	0.49	<0.001	0.12	0.226
General vision	0.27	0.002	0.24	0.004	0.45	<0.001
Ocular pain	0.42	<0.001	0.28	0.001	0.24	0.014
Near-vision activities	0.37	<0.001	0.42	<0.001	0.6	<0.001
Distance-vision activities	0.31	<0.001	0.41	<0.001	0.56	<0.001
Social functioning	0.24	0.007	0.36	<0.001	0.50	<0.001
Mental health	0.37	<0.001	0.44	<0.001	0.57	<0.001
Role difficulties	0.36	<0.001	0.48	<0.001	0.55	<0.001
Dependency	0.41	<0.001	0.48	<0.001	0.57	<0.001
Driving	0.24	0.018	0.21	0.057	0.46	<0.001
Colour perception	0.22	0.015	0.36	<0.001	0.45	<0.001
Peripheral vision	0.26	0.004	0.38	<0.001	0.45	<0.001
*Composite score*	0.38	<0.001	0.43	<0.001	0.60	<0.001

ISSN: 1471-2415