Abstract

Objectives To compare two questionnaires that measure health-related quality of life (HRQL) in idiopathic pulmonary fibrosis (IPF) patients.Background IPF is a disease with a progressive course as it is associated with high rates of mortality and a median survival rate of 3–4 years, so it severely affects the patient’s quality of life. General and disease-specific questionnaires are available to assess HRQL.Patients and methods HRQL was measured in 30 previously diagnosed IPF patients using a general questionnaire [short form 36 and specific questionnaires − St George’s Respiratory Questionnaire (SGRQ)]. Pulmonary function tests and 6-min walking distance test (6MWDT) were used to assess the patients’ functional status. Dyspnea at rest was evaluated by baseline dyspnea index and after exercise by the modified Borg scale.Results Pulmonary function tests showed a restrictive pattern, a decline in the exercise capacity of the patient (6MWDT), and higher scores of dyspnea at rest and following exercise. Both questionnaires showed a good correlation with some of patients’ functional parameters but all of the SGRQ domains showed a strong correlation with all functional status parameters. Also, a good correlation with HRQL was presented by 6MWDT and baseline dyspnea index.Conclusion Specific SGRQ is a more suitable instrument for HRQL assessment in IPF patients than the general questionnaire (short form 36).

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