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Table 6 Mean cortical thickness and effect size within regions of interest in bipolar subcategories vs psychosis group

From: Cortical thinning in young psychosis and bipolar patients correlate with common neurocognitive deficits

 

Mean thickness (mm)

Effect size ( d)

BP1

BP2

BSD

PSY

PSY-BP1

PSY-BP2

PSY-BSD

Left hemisphere

       

Intraparietal sulcus

2.01

2.09

2.05

2.04

0.14

−0.22

−0.05

Angular gyrus (pos.)

2.77

2.78

2.74

2.96

0.55

0.52

0.56

Angular gyrus (ant.)

2.61

2.64

2.51

2.50

−0.34

−0.34

−0.04

Calcarine sulcus

1.89

1.83

1.82

1.88

−0.02

0.21

0.30

Right hemisphere

       

Superior temporal gyrus

2.89

2.83

2.79

2.91

0.08

0.28

0.46

Supramarginal gyrus

2.57

2.61

2.70

2.58

0.04

−0.09

−0.44

Precuneus

2.46

2.58

2.58

2.53

0.26

−0.16

−0.15

Precentral gyrus

2.33

2.38

2.36

2.31

−0.04

−0.23

−0.17

Fusiform

3.53

3.59

3.57

3.45

−0.18

−0.33

−0.27

Parieto-occipical sulcus

2.84

2.97

2.96

2.91

0.14

−0.15

−0.10

  1. Age-adjusted mean cortical thicknesses for ROIs were obtained from FreeSurfer, and Cohen's d examined the difference between people with bipolar I (n = 40), bipolar II (n = 29) or bipolar spectrum disorder (n = 23) and the psychosis group (n = 40). Items of small- (d>0.2) or medium-effect size (d>0.5) are italicized. ant., anterior; BP1, bipolar I disorder; BP2, bipolar II disorder; BSD, bipolar spectrum disorder; pos., posterior; PSY, psychosis group.