Table 3.
Associations of dACC MRS neurometabolite levels with tobacco dependence in Smoking group.
| FTND | CPD | Pack-Years | |||||||
|---|---|---|---|---|---|---|---|---|---|
| df | r | p | df | r | p | df | r | p | |
| NAA | 50 | -0.26 | 0.059 | 50 | -0.12 | 0.397 | 50 | -0.18 | 0.207 |
| Glu | 49 | -0.34 | 0.016 | 49 | -0.21 | 0.148 | 49 | -0.13 | 0.368 |
| Cr | 49 | -0.44 | 0.001 | 49 | -0.26 | 0.069 | 49 | -0.33 | 0.017 |
| Cho | 50 | -0.17 | 0.236 | 50 | -0.07 | 0.602 | 50 | -0.10 | 0.478 |
| mI | 50 | -0.04 | 0.803 | 50 | -0.10 | 0.485 | 50 | -0.08 | 0.547 |
Results are for Pearson correlation partialling sex and age within the Smoking sample. Statistically significant p < 0.05 values are in bold.
dACC dorsal anterior cingulate cortex. MRS magnetic resonance spectroscopy. FTND Fagerström Test for Nicotine Dependence. CPD cigarettes per day. NAA N-acetyl compounds. Glu glutamate. Cr creatine + phosphocreatine. Cho choline-compounds. mI myo-inositol.