Table 1

Mean flow values (mean) and standard deviation (SD) for 36 subjects for measurements in three focusing planes: superficial layer, intermediate layer, and deep layer

Subject	Superficial layer		Intermediate layer		Deep layer
Subject	Mean	SD	Mean	SD	Mean	SD
1	431.665	49.593	273.727	65.694	319.951	61.799
2	579.931	76.571	489.294	97.057	548.606	146.740
3	495.267	70.226	266.656	88.205	408.812	74.368
4	551.801	47.403	369.245	62.385	398.058	77.814
5	317.705	83.137	259.939	61.719	249.811	48.245
6	444.686	50.385	260.441	56.152	283.274	72.076
7	365.845	73.702	143.798	54.011	238.767	62.389
8	448.474	102.522	521.610	224.044	239.987	201.481
9	408.587	49.245	251.592	34.837	362.830	35.803
10	319.041	26.915	192.191	36.938	363.769	58.673
11	421.488	84.286	705.313	106.848	335.566	73.359
12	361.097	40.009	231.572	38.625	356.013	87.465
13	368.851	50.945	486.373	59.200	920.394	409.432
14	353.461	48.292	261.331	96.969	271.658	87.923
15	534.847	156.300	918.584	127.316	201.348	99.303
16	559.113	97.549	550.526	157.331	330.911	92.626
17	225.779	45.099	300.484	111.449	296.892	73.513
18	218.403	76.887	422.650	94.072	199.765	125.778
19	286.269	80.886	173.949	43.998	209.106	97.741
20	234.444	96.205	210.587	42.636	125.501	62.265
21	221.251	38.678	347.613	70.730	180.032	77.379
22	491.439	57.324	200.957	37.254	273.700	45.695
23	301.929	62.803	288.169	55.404	306.111	140.237
24	307.611	57.794	397.641	140.909	379.466	122.314
25	404.836	51.052	317.048	85.011	271.037	33.639
26	499.356	73.260	327.861	80.360	391.198	89.483
27	329.772	46.215	418.269	44.385	416.109	57.177
28	351.268	66.901	730.769	182.961	551.106	137.144
29	419.113	93.756	300.894	67.338	395.326	85.134
30	291.554	44.735	358.399	80.887	304.196	68.491
31	405.084	130.856	419.951	109.734	528.797	108.927
32	225.896	48.231	615.381	135.617	303.081	75.060
33	203.120	69.763	210.561	63.085	244.279	80.313
34	437.096	72.554	343.531	67.662	592.404	60.798
35	309.527	93.043	300.100	46.292	249.028	61.265
36	256.946	84.814	235.998	100.694	280.536	133.413