Table 2

Mean EQ-5D and the QALYs gained results for all patients and duration of wear sub-groups

	Duration of wear (months)
	All	1–6	7–12	13–24	25+
Pre-EQ-5D	0.012 (0.194)	0.000	0.068	−0.003	−0.030
Post-EQ-5D	0.432 (0.291)	0.415	0.511	0.373	0.391
Difference EQ-5D	0.420 (0.354)	0.415	0.443	0.376	0.420
QALY Gain	0.435 (0.714)	0.0631	0.176	0.268	1.292

EQ-5D, EuroQol five dimensions; QALY, quality-adjusted life year.