Respiratory function.

	WT	mdx	p47-/-/mdx
f (breath/min)	408.2 ± 14.5 *	279.8 ± 18.3	377.3 ± 17.0 *
Tv (ml)	0.25 ± 0.009	0.24 ± 0.008	0.26 ± 0.012
Mv (ml)	100.3 ± 5.6 *	65.9 ± 17.6	99.2 ± 8.6 *
PIF (ml/s)	7.6 ± 0.30 *	5.9 ± 0.56	8.0 ± 0.51 *
PEF (ml/s)	4.2 ± 0.25	3.2 ± 0.24	4.4 ± 0.39 *
Ti (s)	0.057 ± 0.002 *	0.080 ± 0.007	0.057 ± 0.002 *
Te (s)	0.129 ± 0.009 *	0.190 ± 0.012	0.138 ± 0.008 *

Dystrophic mice lacking Nox 2 ROS production maintained respiratory function similar to WT levels. p≤0.05 *Significant difference vs. mdx in at least nanimals = 9.