Table 3

Pearson correlations for variables influencing mGluR2/3 and mGluR5 binding densities in the anterior cingulate cortex within diagnostic groups of the Depression Collection

Diagnosis; variableAge at deathFluphenazine equivalent
All samples, n = 36
 mGluR2/3 totalr = −0.551p < 0.001
 mGluR2/3 upperr = −0.569p < 0.001
 mGluR2/3 lowerr = −0.403p = 0.015
 mGluR5 totalr = 0.359p = 0.032
Controls, n = 12
 mGluR2/3 totalr = −0.551p = 0.06
 mGluR2/3 upperr = −0.747p = 0.005
 mGluR2/3 lowerr = −0.134p = 0.68
 mGluR5 totalr = 0.023p = 0.94
Major Depression, all samples; n = 24
 mGluR2/3 totalr = −0.570p = 0.004r = −0.289*p = 0.19*
 mGluR2/3 upperr = −0.507p = 0.011r = −0.460*p = 0.031*
 mGluR2/3 lowerr = −0.529p = 0.008r = −0.047*p = 0.84*
 mGluR5 totalr = 0.545p = 0.006r = −0.005*p = 0.98*
Major Depression, with psychosis; n = 11
 mGluR2/3 totalr = −0.765p = 0.006
 mGluR2/3 upperr = −0.748p = 0.008
 mGluR2/3 lowerr = −0.692p = 0.018
 mGluR5 totalr = 0.551p = 0.08
Major Depression, without psychosis; n = 12
 mGluR2/3 totalr = −0.371p = 0.24
 mGluR2/3 upperr = −0.383p = 0.22
 mGluR2/3 lowerr = −0.335p = 0.29
 mGluR5 totalr = 0.587p = 0.045