Table 2.
The correlation between suicidal ideation, depression, impulsivity, and the mean gray matter volume of the ROIs.
| Suicidal ideation | HDRS-17 | BIS_attention | BIS_motor | BIS_non-planning | |
|---|---|---|---|---|---|
| Suicidal_ideation | - | ||||
| HDRS-17 | 0.504*** | ||||
| BIS_attention | 0.209 | 0.208 | |||
| BIS_motor | 0.330** | 0.232* | 0.645*** | ||
| BIS_non_planning | 0.257* | 0.052 | 0.643*** | 0.651*** | |
| L_ACC | 0.193 | 0.113 | 0.183 | 0.236* | 0.192 |
| L_dlPFC | 0.237* | 0.170 | 0.248 | 0.323** | 0.262* |
| L_dmPFC | 0.202 | 0.114 | 0.237 | 0.254* | 0.171 |
| L_oPFC | 0.170 | 0.122 | 0.198 | 0.266* | 0.141 |
| L_vlPFC | 0.203 | 0.170 | 0.243 | 0.248* | 0.214* |
| L_vmPFC | 0.056 | 0.117 | 0.224 | 0.236* | 0.101 |
| R_ACC | 0.185 | 0.231* | 0.146 | 0.200 | 0.150 |
| R_dlPFC | 0.191 | 0.165 | 0.244* | 0.284** | 0.220* |
| R_dmPFC | 0.223* | 0.091 | 0.287** | 0.325** | 0.290** |
| R_oPFC | 0.151 | 0.105 | 0.212* | 0.236* | 0.160 |
| R_vlPFC | 0.134 | 0.140 | 0.206 | 0.197 | 0.127 |
| R_vmPFC | 0.153 | 0.155 | 0.195 | 0.232* | 0.115 |
HDRS, Hamilton Depression Rating Scale; BIS, Barrett Impulsiveness Scale; L_ACC, left anterior cingulate cortex; L_dlPFC, left dorsolateral prefrontal cortex; L_dmPFC, left dorsomedial prefrontal cortex; L_vlPFC, left ventrolateral prefrontal cortex; L_vmPFC, left ventromedial prefrontal cortex; R_ACC, right anterior cingulate cortex; R_dlPFC, right dorsolateral prefrontal cortex; R_dmPFC, right dorsomedial prefrontal cortex; R_vlPFC, right ventrolateral prefrontal cortex; R_vmPFC, right ventromedial prefrontal cortex. *p<0.05, **p<0.01, ***p<0.001.