Table 2. Tissue composition, blood oxygenation, and scatter parameters for all the subjects at the three source detector separations for location at 4 cm to the left of the navel. ^a .

Subject #	ρ cm	Hb µM	HbO2 µM	THb µM	StO2 %	Lipid mg/cm3	water mg/cm3	collagen mg/cm3	bkg cm-1	A cm-1	b
1	1	0.83	10.83	11.66	93	955	216	90	0.001	14.5	1.26
	2	0.20	15.89	16.09	99	969	185	88	0.020	18.7	0.38
	3	0.13	14.40	14.53	99	884	141	75	0.019	13.7	0.44
2	1	2.86	5.29	8.15	65	664	221	0	0.010	12.0	1.21
	2	0.09	18.60	18.68	100	1164	154	54	0.020	15.5	0.03
	3	0.07	16.14	16.21	100	1188	43	71	0.015	12.3	0.52
3	1	2.89	4.90	7.79	63	605	197	0	0.010	13.6	1.08
	2	0.00	17.08	17.08	100	930	136	22	0.021	14.9	0.00
	3	0.23	15.56	15.79	99	977	85	30	0.015	12.2	0.43
4	1	0.33	33.30	33.64	99	994	281	140	0.036	22.2	1.56
	2	0.08	42.52	42.61	100	483	535	143	0.073	23.2	0.00
	3	0.05	50.25	50.30	100	1247	291	205	0.084	18.9	0.24
5	1	2.84	5.52	8.36	66	690	236	0	0.010	15.0	0.83
	2	0.05	19.25	19.30	100	994	108	33	0.024	17.3	0.00
	3	0.01	18.11	18.12	100	1046	57	43	0.019	13.1	0.29
6	1	2.90	4.72	7.63	62	574	185	0	0.010	12.4	1.42
	2	0.33	12.21	12.54	97	950	132	35	0.018	16.0	0.29
	3	2.66	6.62	9.28	71	720	286	0	0.011	11.8	0.67
7	1	2.90	4.69	7.59	62	568	182	0	0.010	10.3	1.41
	2	0.07	9.96	10.03	99	1171	116	86	0.006	16.7	0.70
	3	0.15	7.89	8.03	98	1085	106	77	0.003	12.9	0.74
8	1	2.02	32.19	34.21	94	811	10	56	0.031	15.7	1.07
	2	0.01	43.62	43.63	100	824	368	141	0.075	25.7	0.15
	3	0.74	40.71	41.46	98	899	202	133	0.060	15.6	0.18
9	1	0.27	15.89	16.16	98	1028	145	132	0.002	18.0	1.48
	2	0.12	25.95	26.07	100	888	312	131	0.062	26.7	0.43
	3	0.00	30.24	30.25	100	997	203	143	0.049	16.0	0.36
10	1	2.90	4.76	7.66	62	583	186	0	0.010	18.6	1.37
	2	0.03	10.81	10.84	100	984	101	57	0.015	19.3	0.33
	3	0.02	8.51	8.53	100	985	75	59	0.008	13.7	0.51

^aTHb = total hemoglobin content | StO₂= oxygen saturation | bkg = wavelength independent value added as a fitting parameter to account for possible tissue absorbers not included in the fitting procedures and for limitations of the theoretical model.