Development of a new dyspepsia impact scale: the Nepean Dyspepsia Index.

Abstract

BACKGROUND There is not at present a suitable disease-specific health-related quality of life instrument for uninvestigated dyspepsia and functional (non-ulcer) dyspepsia. AIM To develop a new multi-dimensional disease-specific instrument. METHODS The Nepean Dyspepsia Index (NDI) was designed to measure impairment of a subject's ability to engage in… (More)

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