Table 5.
Multiple linear regression analysis between functional connectivity and behavioral performances in PIs.
| Dependent variable | Independent variables | Coefficient (R2) | β | Standard error | t value | p value |
|---|---|---|---|---|---|---|
| Insomnia severity index | L_middle temporal gyrus-L_frontal lobe | 0.121 | 8.596 | 3.411 | 2.52 | 0.015 |
| Five negative index of POMS | L_middle temporal gyrus-L_frontal lobe | 0.091 | −40.521 | 18.864 | −2.148 | 0.037 |
| Hamilton anxiety scale | R_insula-L_insula | 0.097 | 10.379 | 4.68 | 2.218 | 0.032 |
Abbreviations: PIs, patients with primary insomnia; POMS, Profile of mood states.