Table 5.

Mean H_score (over sessions 1 and 2) at the most posterior slice and all remaining slices for all volunteers at each lung volume for all images acquired using hyperpolarized ³He

	RV		RV + 1L		FRC		FRC + 1L		TLC
Volunteer	Posterior slice	Remaining slices	Posterior slice	Remaining slices	Posterior slice	Remaining slices	Posterior slice	Remaining slices	Posterior slice	Remaining slices
V1	14.95	11.75	21.38	12.11	23.9	12.19	21.13	10.72	17.45	10.3
V2	12.68	9.13	23.97	11.62	15.11	9.30	23.59	10.22	9.28	6.85
V3	8.28	11.15	18.18	8.58	5.59	9.06	10.16	8.65	7.64	7.40
V4	20.23	10.91	17.83	10.24	18.15	10.65	20.46	10.74	25.71	9.39
V5	9.98	10.98	27.03	11.03	5.37	9.42	9.53	9.60	8.29	8.25
V6	15.57	11.00	9.58	9.57	11.53	9.40	13.60	9.02	27.03	7.18

RV, residual volume; RV + 1L, residual volume plus 1 liter of gas mixture; ³He, helium-3; V, volunteer; FRC, functional residual capacity.