Table 5. Correlations of basal and fractional NPD values.

Basal NPD vs	r	P value	df
Control
ENaC fraction	−0.32	0.20	16
CFTR fraction	0.33	0.47	5
AR NPD	0.97	1.05E-06	9
HAPE
ENaC fraction	0.13	0.56	21
CFTR fraction	0.14	0.86	2
AR NPD	0.97	4.65E-09	13