Table 3

Correlations between changes in clinical scales and percentage change of grey matter volume

Region; % change in grey matter volume
MeasureCaudate nucleusMedial temporal lobeInsulaPosterior temporal region
Change in MADRSr = 0.26r = 0.19r = 0.18r = 0.17
p = 0.18p = 0.31p = 0.35p = 0.37
Change in MMSEr = 0.45r = 0.08r = 0.53r = 0.35
p = 0.014p = 0.65p = 0.003p = 0.06
Change in CORE total scorer = 0.63r = 0.15r = 0.47r = 0.03
p < 0.001*p = 0.44p = 0.010p = 0.88
Change in CORE noninteraction subscaler = 0.67r = 0.01r = 0.48r = 0.007
p < 0.001*p = 0.92p = 0.009p = 0.96
Change in CORE agitation subscaler = 0.35r = 0.40r = 0.29r = 0.06
p = 0.06p = 0.033p = 0.12p = 0.75
Change in CORE retardation subscaler = 0.41r = 0.0001r = 0.32r = 0.01
p = 0.027p = 0.99p = 0.09p = 0.95
No. of ECT sessionsr = 0.18r = 0.29r = 0.33r = 0.09
p = 0.35p = 0.13p = 0.07p = 0.62
  • ECT = electroconvulsive therapy; MADRS = Montgomery–Åsberg Depression Rating Scale; MMSE = Mini Mental State Examination.

  • * Significant after Bonferroni correction (adjusted p = 0.001).