#Clinicalrelevance of the EQ-5D is easily lost in the haze: e.g. #England's great #patientreportedoutcomes program reports both #VisualAnalogueScale & preference-based valuation but the guide suggests preference-based measures for clinical evaluation,
https://t.co/sCzH3WB5w1 We need to get this right.... EQ-5D is NOT a "preference-based instrument". Its descriptive classification MAY be scored using many methods SOME (but not all)of which generate preference weights intended for use in computing QALYs.
RT @stolk_elly: 5L provides more precise measurements than 3L at individual and group levels, both in terms of responses to EQ-5D items and…