DMD and Duchenne muscular dystrophy: Age, body mass and BMI were higher in the BMD group than the DMD (p < 0.001, p = 0.001 and p = 0.035, respectively) and control groups (p < 0.001, p = 0.03 and p = 0.014, respectively); there was no difference in age, body mass or BMI between the DMD and control group.