Table 3.

Within-scan variability of the spectroscopic ratios

	Ratios
	RBC:barrier		RBC:gas		Barrier:gas
Subject	Scan 1	Scan 2	Scan 1	Scan 2	Scan 1	Scan 2
2	0.37	0.42	0.003	0.004	0.006	0.010
3	0.32	0.33	0.003	0.002	0.007	0.007
4	0.78	0.68	0.003	0.003	0.004	0.005
6	0.43	0.40	0.003	0.003	0.007	0.007
7	0.65	0.55	0.005	0.004	0.008	0.007
8	0.53	0.52	0.007	0.008	0.014	0.014
9	0.70	0.62	0.006	0.005	0.009	0.008