Table 1. Demographic characteristics and pulmonary function test results of the Duchenne muscular dystrophy patients studied.a.

Variable	Patients
	(n = 26)
Demographic data
Age, years	9.5 ± 2.2
Weight, kg	31.6 ± 11.4
Height, cm	130.3 ± 13+8
Body mass index, kg/m2	18.2 ± 3.8
Pulmonary function test results
FVC, % of predicted	82.9 ± 16.8
FEV1, % of predicted	84.3 ± 16.0
MEP, % of predicted	63.9 ± 27.6
MIP, % of predicted	41.4 ± 13.7

^aData expressed as mean ± SD