Table 1. Demographics.

	Healthy	Lung Transplant	p value
Age in years (mean ± SD)	44.7 ± 11.2	51.7 ± 11.9	< 0.005*
Male sex (%)	11/27 (41%)	35/73 (48%)	Not significant**
Time since transplant (months)
2004 (median, range)	—	37 (2–156)
2005 (median, range)		44 (3–168)
2006 (median, range)		56 (15–180)
2007 (median, range)	—	65 (5–192)

^*Students t test, **Chi square test