Additional file 1:.

Linear correlations of anterior insula GMV with clinical/neurocognitive variables controlling for years of education. Description of data: Linear correlations of clinical variables and neurocognitive executive functioning to patient anterior insula GMV, controlling for years of education. Pearson’s r (normal score distribution) or Spearman’s ρ (non-normal score distribution) correlation analysis explored the linear relationship between the left or right anterior insula GMV (corrected for ICV) against patient demographic, clinical variables or z-scores of neuropsychological assessments of executive function (n = 133), controlling for years of education. *p < .05; **p < .01 (2-tailed).

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Hatton et al. BMC Psychiatry 2012 12:45   doi:10.1186/1471-244X-12-45