Figure 2From: Lung function monitoring in patients with duchenne muscular dystrophy on steroid therapyIndividual values of Forced Expiratory Volume in 1 sec (FEV 1 ) were expressed in % of the predicted value. After the Evaluation I (baseline), patients were followed yearly (evaluations II and III). Patients were divided in 2 groups according their age (7–10 years and 11–16 years).Back to article page