Development of the ATAQ-IPF: a tool to assess quality of life in IPF.

ABSTRACT:

Background

There is no disease-specific instrument to assess health-related quality of life (HRQL) in patients with idiopathic pulmonary fibrosis (IPF).

Methods

Patients' perspectives were collected to develop domains and items for an IPF-specific HRQL instrument. We used item variance and Rasch analysis to construct the ATAQ-IPF (A Tool to Assess Quality of life in IPF).

Results

The ATAQ-IPF version 1 is composed of 74 items comprising 13 domains. All items fit the Rasch model. Domains and the total instrument possess acceptable psychometric characteristics for a multidimensional questionnaire. The pattern of correlations between ATAQ-IPF scores and physiologic variables known to be important in IPF, along with significant differences in ATAQ-IPF scores between subje

SUBMITTER: Swigris JJ 

PROVIDER: S-EPMC2920246 | biostudies-literature | 2010 Jul

REPOSITORIES: biostudies-literature