Table 1 Pairwise comparison of ROI methods, by mean FA across both sides, per section of the optic tracts
From: Impact of region-of-interest method on quantitative analysis of DTI data in the optic tracts
Method 1 | Method 2 | Section 1 | Section 2 | Section 3 | |||
|---|---|---|---|---|---|---|---|
Mean (95 % CI) | p-value | Mean (95 % CI) | p-value | Mean (95 % CI) | p-value | ||
FA-skeleton | Manual T1W | 0.07 (0.03; 0.11) | <.0001 | 0.10 (0.06; 0.14) | <.0001 | 0.16 (0.11; 0.21) | <.0001 |
Manual b0 | 0.01 (−0.00; 0.03) | 0.1501 | 0.01 (−0.01; 0.04) | 0.4104 | 0.03 (−0.00; 0.07) | 0.0559 | |
Tractography | 0.15 (0.10; 0.19) | <.0001 | 0.10 (0.04; 0.16) | 0.0003 | 0.17 (0.12; 0.22) | <.0001 | |
Manual T1W | Manual b0 | −0.06 (−0.10; −0.01) | 0.0047 | −0.09 (−0.13; −0.04) | 0.0001 | −0.13 (−0.18; −0.07) | <.0001 |
Tractography | 0.07 (0.02; 0.13) | 0.0051 | 0.00 (−0.06; 0.06) | 0.9999 | 0.01 (−0.04; 0.06) | 0.9573 | |
Manual b0 | Tractography | 0.13 (0.08; 0.18) | <.0001 | 0.09 (0.02; 0.15) | 0.0046 | 0.14 (0.08; 0.20) | <.0001 |