A comparison of the scaling properties of the English, Spanish, French, and Chinese EQ-5D descriptive systems

Development and preliminary testing of the new five-level version of EQ-5D (EQ-5D-5L)

(2011) M. Herdman et al.   QUALITY OF LIFE RESEARCH

Interpretation of response categories in patient-reported rating scales: a controlled study among people with Parkinson's disease

(2010) Ida Knutsson et al.   Health and Quality of Life Outcomes

Minimally Important Difference for Patient-reported Outcomes in Psoriatic Arthritis: Health Assessment Questionnaire and Pain, Fatigue, and Global Visual Analog Scales

(2010) T. KWOK et al.   JOURNAL OF RHEUMATOLOGY

The minimally important difference and patient acceptable symptom state for the Raynaud's condition score in patients with Raynaud's phenomenon in a large randomised controlled clinical trial

(2009) P. P. Khanna et al.   ANNALS OF THE RHEUMATIC DISEASES

The Minimally Important Difference for the Health Assessment Questionnaire in Rheumatoid Arthritis Clinical Practice Is Smaller Than in Randomized Controlled Trials

(2009) J. E. POPE et al.   JOURNAL OF RHEUMATOLOGY

The Minimally Important Difference for the Fatigue Visual Analog Scale in Patients with Rheumatoid Arthritis Followed in an Academic Clinical Practice

(2008) Dinesh Khanna et al.   JOURNAL OF RHEUMATOLOGY

Quantification of the level descriptors for the standard EQ-5D three-level system and a five-level version according to two methods

(2008) M. F. Janssen et al.   QUALITY OF LIFE RESEARCH

On the linearity of predefined and self-anchoring Visual Analogue Scales

(2007) Joeri Hofmans et al.   BRITISH JOURNAL OF MATHEMATICAL & STATISTICAL PSYCHOLOGY