Table 4. Group differences in gray matter volume of the main regions and correlations with clinical variables in CNP patients.
Age- and sex adjusted.
| ROI | Gray matter volume | Correlation with clinical variables in CNP (N = 20) | ||||
|---|---|---|---|---|---|---|
| CNP>HC | VAS | TSK | ||||
| T-value | P-value | T-value | P-value | T-value | P-value | |
| rt DLPFC | 0.75 | 0.46 | -1.66 | 0.12 | -1.12 | 0.28 |
| rt aIC | -0.15 | 0.88 | -0.84 | 0.49 | 0,19 | 0.85 |
| dorsal PCC | 2.69 | 0.01 | 1.56 | 0.13 | 0.61 | 0.55 |
ROI: Region of interest, CNP: chronic neck pain, HC: healthy control, rt: right, DLPFC: dorsolateral prefrontal cortex, PCC: posterior cingulate cortex, aIC: anterior insular cortex, VAS: visual analog scale, TSK: Tampa Scale for Kinesiophobia.