Validity of the SF-6D index in Brazilian patients with rheumatoid arthritis
Objective To evaluate the construct validity of the SF-6D among a sample of Brazilian patients with rheumatoid arthritis.Methods This was a validation and cross-cultural adaptation study. Preference evaluation instruments were applied: SF-6D, EQ-5D, VAS, TTO and SG. Clinical and sociodemographic par...
| Autores: | , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2009 |
| País: | Brasil |
| Institución: | Universidade Federal de São Paulo (UNIFESP) |
| Repositorio: | Repositório Institucional da UNIFESP |
| Idioma: | inglés |
| OAI Identifier: | oai:repositorio.unifesp.br:11600/43320 |
| Acceso en línea: | http://www.clinexprheumatol.org/article.asp?a=3599 http://repositorio.unifesp.br/handle/11600/43320 |
| Access Level: | acceso abierto |
| Palabra clave: | Rheumatoid arthritis SF-36 SF-6D utility preference quality of life |
| Sumario: | Objective To evaluate the construct validity of the SF-6D among a sample of Brazilian patients with rheumatoid arthritis.Methods This was a validation and cross-cultural adaptation study. Preference evaluation instruments were applied: SF-6D, EQ-5D, VAS, TTO and SG. Clinical and sociodemographic parameters were obtained. Descriptive statistics, correlation coefficients and ANOVA were used to analyze the results.Results 200 patients were evaluated, among whom the iron-completion rates were 0.5% for VAS, 1.5% for TTO and 6.5% for SG. The preferences derived from the SF-6D presented the strongest correlations with EQ-SD and HAQ, followed by VAS, TTO and SG, in decreasing order. The correlations with clinical and sociodemographic parameters were, in most cases, small. The preferences obtained with the SF-6D could discriminate patients with different HAQ levels.Conclusion The SF-6D is a valid method for measuring preferences in patients with rheumatoid arthritis in a Brazilian context. |
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