Table 2.

Mean (SD) regional deposition and clearance indices of inhaled aerosol at 4 hours post challenge (PC) compared to baseline (Base) for responders (late phase (LPR) and non-late phase (nLPR)) and non-responders.

	Skew		C/P		24 hr clear (%)		Central TB Ave120Ret
	Base	PC	Base	PC	Base	PC	Base	PC
Responders (n=9)	2.00 (0.45)	2.53* (0.78)	1.85 (0.43)	2.20 (0.61)	52 (16)	66* (12)	0.69 (0.17)	0.79 (0.22)
nLPR (n=6)	2.17 (0.32)	2.64 (0.68)	2.17 (0.32)	2.32 (0.72)	59 (12)	66 (14)	0.71 (0.17)	0.74 (0.20)
LPR (n=3)	1.67 (0.54)	2.31 (1.10)	1.50 (0.36)	1.97 (0.28)	38 (12)	66 (10)	0.67 (0.22)	0.88 (0.25)
Non-responders (n=3)	1.75 (0.60)	1.65 (0.65)	2.01 (0.82)	2.11 (1.13)	43 (6)	41 (13)	0.77 (0.20)	0.69 (0.25)

^*P ≤ 0.02 compared to baseline.