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Table 3 Mean fractional anisotropy and number of tracts within the corticospinal tract in each patient derived from all approaches (atlas-based, streamline tractography, and combined)

From: Comparison of DTI analysis methods for clinical research: influence of pre-processing and tract selection methods

Patients Atlas-based Streamline tractography Combined
mean FA mean FA NT mean FA
1 .46 .57 1541 .41
2 .51 .54 1470 .50
3 .43 .48 1138 .42
4 .33 .51 1316 .27
5 .46 .46 482 .42
6 .48 .55 1231 .43
7 .44 .59 897 .42
8 .55 .58 1094 .53
9 .40 .53 1520 .42
10 .39 .46 886 .38
11 .38 .50 467 .35
12 .31 .39 53 .29
13 .31 .46 116 .28
14 .25 .36 5 .24
15 .30 .60 1182 .45
16 .54 .55 1379 .52
17 .47 .47 977 .37
18 .55 .57 740 .52
19 .54 .57 1490 .52
20 .58 .58 2154 .56
21 .49 .53 727 .45
22 .27 .36 440 .22
23 .20 .32 261 .17
24 .45 .49 1647 .42
25 .54 .57 1513 .53
26 .39 .59 1142 .33
27 .52 .59 2187 .45
28 .51 .57 2163 .46
29 .43 .58 1448 .40
30 .54 .54 814 .57
31 .35 .55 1105 .40
32 .29 .42 1299 .25
33 .57 .60 1442 .58
34 .44 .55 1407 .55
35 .37 .65 2109 .57
36 .37 .57 1334 .50
37 .35 .49 798 .38
38 .16 .40 190 .15
39 .42 .55 1010 .47
  1. FA fractional anisotropy, NT number of tracts