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Mean and standard deviation of CVR for HC and TBI group with the 2 modalities. With fMRI, mean CVR value is 0.225 ± 0.014 %BOLD/mmHg in HC and 0.183 ± 0.026 %BOLD/mmHg in TBI (p < 0.00001, effect size = 0.81). With fNIRS technique, mean CVR values is 12.3 ± 1.8 μM/mmHg in HC and 9.2 ± 1.7 μM/mmHg in TBI (p < 0.00001, effect size = 0.87).
