Par11 Revalidation of the Cedars-Sinai Rheumatoid Arthritis Health-Related Quality of Life (Cshq-Ra) Short Form Instrument

Chiou, CF; Sherbourne, C; Cornelio, IL; Lubeck, Deborah P.; Paulus, H. E.; Dylan, Michelle; M, Weisman

doi:10.1016/s1098-3015(10)62135-3

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“…To address these limitations, an effort to revalidate the instrument was made while at the same time a revised version of the CSHQ-RA was developed. Because the original CSHQ-RA has been used in several clinical studies in different countries, it was important to further validate the original instrument (5). Meanwhile, the present study seeks to develop a more comprehensive version of the CSHQ-RA and to assess the psychometric characteristics of the revised instrument using a larger and more geographically distributed RA patient population.…”

Section: Introductionmentioning

confidence: 99%

Development and validation of the revised Cedars‐Sinai health‐related quality of life for rheumatoid arthritis instrument

Chiou

Sherbourne

Cornelio

et al. 2006

Arthritis & Rheumatism

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Results. Response rates were 93% at baseline and 71% at 12 weeks. Eighty-one percent of respondents at baseline were women, mean ؎ SD age was 52 ؎ 12 years, and mean ؎ SD duration of RA was 10.8 ؎ 10.4 years. The revised CSHQ-RA included 36 items measuring 7 domains (4 original and 3 new). All Cronbach's alpha coefficients were >0.8, indicating good internal consistency. Test-retest reliability measured intraclass correlation coefficients, which ranged from 0.86 to 0.95. All 7 domains correlated significantly with the MOS SF-36 and HAQ, indicating good convergent validity. Analysis of variance of disability group scores showed good discriminant validity (P < 0.0001). The MCIDs ranged from 6.2 for social well-being to 14.8 for pain/discomfort. Conclusion. The revised CSHQ-RA was validated using a broader RA patient population. It captures 3 additional domains (social well-being, pain/discomfort, and fatigue), which allow for measuring all important aspects of healthrelated quality of life.

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Section: Introductionmentioning

confidence: 99%