The Prognostic Value of Exercise Testing in Patients with Cystic Fibrosis

Abstract
Previous studies have shown female sex, impaired pulmonary function, older age, malnutrition, and colonization of the respiratory tract by Pseudomonas cepacia to be associated with a poor prognosis in patients with cystic fibrosis. We sought to determine the prognostic value of exercise testing in addition to the other prognostic factors.