Preserved fractal character of structural brain networks is associated with covert consciousness after severe brain injury.

Compared with our main analysis, alternative analyses using 400 nodes or binary edges both found additional significant differences (FDR-corrected) between healthy controls and MCS patients; conversely, fewer statistically significant differences were observed with the Lausanne parcellation and with alternative tractography: in both cases, the difference between MCS and UWS patients failed to reach statistical significance.

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The results replicated our main analysis, including the significant difference between FMRI+ and FMRI- patients, but also identified a significant difference (FDR-corrected) between healthy controls and MCS patients ( Supplementary Figure 5 and Supplementary Table 2 ), which had become narrowly non-significant in our main analysis, after accounting for the covariates.

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