Abstract
Chronic obstructive pulmonary disease (COPD) has a relevant impact on health-related quality of life (HRQoL). Short Form 6 dimensions (SF-6D) quality of life tool allows researchers to calculate preference-based utilities using data from SF-12 or SF-36 questionnaires. To provide normative values of SF-6D derived from SF-12 for Chilean patients with COPD. SF-6D utility index was calculated using data from the 2009/2010 Chilean National Health Survey. Sixty-nine male and 120 female patients with COPD participated in the survey. Data was stratified by gender, age, region, marital status, smoking status, monthly incomes, educational level and area. The mean (± SD) SF-6D utility index for Chilean patients with COPD was 0.65 ± 0.15. The scores for men and women were 0.68 ± 0.15 and 0.64 ± 0.15, respectively. Patients with high incomes and educational level reported higher SF-6D scores. Ceiling effect was not a limitation when SF-6D was used in these Chilean patients. The current study provides normative values of SF-6D derived from SF-12 for Chilean patients with COPD.
Highlights
Chronic obstructive pulmonary disease (COPD) has a relevant impact on health-related quality of life (HRQoL)
Conclusions: The current study provides normative values of Short Form 6 dimensions (SF-6D) derived from SF-12 for Chilean patients with COPD
A pesar de estas limitaciones, el estudio proporciona los valores normativos del Short Form 6 dimensions (SF-6D) para los pacientes chilenos con enfermedad pulmonar obstructiva crónica (EPOC)
Summary
Chronic obstructive pulmonary disease (COPD) has a relevant impact on health-related quality of life (HRQoL). El algoritmo utilizado para obtener las utilidades del instrumento fue desarrollado por Brazier y Roberts[10] con población general de Reino Unido, como en otros estudios[19,20]. Los hombres reportaron mejor CVRS que las mujeres, con una utilidad de 0,68 (± 0,15) y 0,64 (± 0,15), respectivamente.
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