Erratum to: Estimation of minimally important differences in EQ-5D utility and VAS scores in cancer
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CORRECTION
Open Access
Estimation of minimally important differences in EQ-5D utility and VAS scores in cancer A Simon Pickard1*, Maureen P Neary2, David Cella3 Correction We wish to correct a mistake in the abstract and conclusion of our published paper [1]. In the abstract and conclusion, the MID for EQ-VAS score should be reported as 7 rather than 0.07. EQ-VAS scores range from 0 to 100, while EQ-5D index-based scores are anchored by 0 (dead) and 1 (perfect health). The specific wording in the conclusion of the abstract should read “Important differences in EQ-5D utility and VAS scores were similar for all cancers and lung cancer, with the lower end of the range of estimates closer to the MID, i. e. 0.08 for UK-index scores, 0.06 for US-index scores, and 7 for VAS scores. Author details 1 Center for Pharmacoeconomic Research, Department of Pharmacy Practice, College of Pharmacy, University of Illinois at Chicago, Chicago, USA. 2Global Health Outcomes, GlaxoSmithKline, Collegeville, Pennsylvania, USA. 3Center for Outcomes Research and Education, Evanston Healthcare and Feinberg School of Medicine, Northwestern University, Chicago, USA. Received: 30 December 2009 Accepted: 13 January 2010 Published: 13 January 2010 References 1. Pickard AS, Neary MP, Cella D: Estimation of minimally important differences in EQ-5D utility and VAS scores in cancer. Health Qual Life Outcomes 2007, 5:70. doi:10.1186/1477-7525-8-4 Cite this article as: Pickard et al.: Estimation of minimally important differences in EQ-5D utility and VAS scores in cancer. Health and Quality of Life Outcomes 2010 8:4.
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* Correspondence: [email protected] 1 Center for Pharmacoeconomic Research, Department of Pharmacy Practice, College of Pharmacy, University of Illinois at Chicago, Chicago, USA
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