Table 2 Differences between identified FTD clusters in GMV and sulcal depth.
H | x | y | z | t | k | p FWE cluster-level | p inter-action analyses | Partial. η² | |
|---|---|---|---|---|---|---|---|---|---|
GMV | |||||||||
cluster 1 (minimal overall FTD) > cluster 4 (severe overall FTD) | |||||||||
55.5% superior frontal gyrus 44.5% medial frontal gyrus | R | 12 | 42 | 38 | 3.99 | 800 | 0.048 | 0.404 | 0.022 |
cluster 3 (inhibition) > cluster 1 (minimal overall FTD) | |||||||||
50.8% inferior temporal gyrus 19.5% fusiform gyrus 18.2% middle temporal gyrus | R | 42 | −3 | −34 | 4.93 | 926 | 0.029 | 0.060 | 0.027 |
cluster 3 (inhibition) > cluster 4 (severe overall FTD) | |||||||||
85.6% inferior temporal gyrus 11.5% middle temporal gyrus 2.9% fusiform gyrus | R | 48 | −9 | −36 | 4.45 | 2404 | <0.0001 | 0.063 | 0.020 |
Sulcal depth | |||||||||
cluster 3 (inhibition) > cluster 2 (poverty) | |||||||||
45% insula 37% superior temporal sulcus 16% temporal pole | L | −36 | 1 | −22 | 3.97 | 238 | 0.004 | 0.145 | 0.019 |
cluster 3 (inhibition) > cluster 4 (severe overall FTD) | |||||||||
100% insula | R | 40 | 5 | −2 | 3.57 | 287 | 0.001 | 0.778 | 0.009 |
100% insula | L | −39 | 2 | −7 | 3.31 | 188 | 0.001 | 0.667 | 0.005 |