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Table 2 Mean anterior insula gray matter volumes by cohort

From: Correlating anterior insula gray matter volume changes in young people with clinical and neurocognitive outcomes: an MRI study

Region of interest Healthy mean volume (mm3 ± SD) Patient mean volume (mm3 ± SD) Mean difference (mm3 ± SE) Significance test
Left anterior insula 2209 ± 214.2 2124 ± 232.2 85 ± 41.6 t(170) = 2.05*
Right anterior insula 2019 ± 182.4 1953 ± 236.1 66 ± 35.7 t(79.1) = 1.85
  1. Independent samples t-tests examined differences between patients (n = 133) and healthy participants (n = 39) in anterior insula volumes (corrected for ICV). As Levene’s test for equality of variance was significant (p < .05) for the right anterior insula volumes, results that did not assume equal variance were used. * p < .05 (2-tailed). SD, standard deviation; SE, standard error.