New model to explain the EQ-5D VAS in patients who have undergone spinal fusion

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Autor:
Cortés, J. - Blanco, J.F. - Pescador, D. - Asensio, N. - Castro, C. - Herrera, J.M.
URI:
https://hdl.handle.net/10925/849
Carrera:
Plan Común Ingeniería
Facultad:
Facultad de Ingeniería
Fecha de publicación:
2012-03-04
Datos de publicación:
Quality of Life Research, Vol. 19, Nº10, 1541-1550, 2010
Temas:
Calidad de vida - Modelos estadísticos - EuroQol-5D - Salud
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Resumen:
Background: In the health sector, the EQ-5D has been widely used to evaluate health-related quality of life, mainly due to its simplicity, robustness and plasticity in calculating years of life adjusted for quality. Methods: However, its model has remained stable over time and knowledge of the influence of such biodemographical variables as age and gender has not been incorporated. This information, along with the well-known non-linear behavior of the VAS, which measures the self-concept of the 'General State of Health', forms the basis for a new model, which we present here from a sample of patients who were operated on for chronic low back pain. Results: These are obtained using multiple regression analysis are consistent in terms of goodness-of-fit given that this new model is able to explain 91.3% of the self-concept of the 'general state of health'. Conclusions: Above leads to an improvement of 21.6% compared to the available models more robust and meets most of the restrictions for this type of statistical modeling.

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