Figure | Outcome | Independent variable | Population | Nonlinear association | |||
---|---|---|---|---|---|---|---|
F | df | p value | Power | ||||
4B | Mean rSUV, left sgACC | PCA Pearson r-to-z scores | All | 3.77 | 1.755 | 0.044 | 0.938 |
4C | Mean rSUV, left sgACC | PCA Pearson r-to-z scores | Patients with MDD | 12.30 | 0.944 | 0.015 | 0.744 |
4D | Mean rSUV, left sgACC | PCA Pearson r-to-z scores | Controls | 4.46 | 2.266 | 0.035 | 0.815 |
df = degrees of freedom; MDD = major depressive disorder; PCA = principal component analysis; rSUV = relative standard uptake value; sgACC = subgenual anterior cingulate cortex.
↵* Nonlinear association between the left sgACC mean rSUV and Pearson’s r-to-z scores (PCA-derived) for each population.