Journal article
Computerized administration of health-related quality of life instruments compared to interviewer administration may reduce sample size requirements in clinical research: a pilot randomized controlled trial among rheumatology patients.
Abstract
OBJECTIVES: Computerized health-related quality of life (HRQoL) administration may facilitate clinical trials incorporating HRQoL assessment in rheumatology patients by reducing sample size requirements. We tested this hypothesis in a pilot randomized controlled trial.
METHODS: Chinese-speaking adult rheumatology outpatients were randomized to computerized (PC) or interviewer (IA) administration of the EQ-5D (utility & VAS), Health Utilities …
Authors
Thumboo J; Wee H-L; Cheung Y-B; Machin D; Luo N; Feeny D; Fong K-Y
Journal
Clinical and Experimental Rheumatology, Vol. 25, No. 4, pp. 577–583
Publication Date
2007
ISSN
0392-856X