Table 2

Significant correlations^* between clinical response and structural connectivity^†^‡

Metric, region	Correlation coefficient	p value	Slope
Number of tracts, right caudal cingulate cortex	0.41	0.02	5.46
Number of tracts, left posterior cingulate cortex	0.40	0.02	5.42
Volume of tracts, right caudal cingulate cortex	0.35	0.04	1329
Mean diffusivity, right caudal cingulate cortex	0.43	0.01	0.01

dTot = total distance.
↵* p < 0.05, uncorrected.
↵† Between the stimulation position in the left dorsolateral prefrontal cortex and the regions of interest in the cingulate cortex, represented by dTot, including p value and slope (Fig. 4).
↵‡ Not all patients showed indirect connections between the stimulation site and the cingulate cortex.