Bone mineral density, pulmonary function, chronological age, and age at diagnosis in children and adolescents with cystic fibrosis.

Objective: To assess bone mineral density in patients with cystic fibrosis (CF), and to correlate it with possible intervening variables.

Methods: Children and adolescents diagnosed with CF, aged 6 to 18 years, followed at the outpatient clinic were included in the study. First, demographic data were collected and, subsequently, patients underwent a spirometric test.