Table 1 Brain volume cohort description

From: Cortical grey matter volume reduction in people with schizophrenia is associated with neuro-inflammation

 

Controls

Schizophrenia

Statistics

 

N

Mean

s.d.

N

Mean

s.d.

X2

t

df

P

Male

31

31

0.090

1

0.764

Female

14

16

    

Fixed left hemisphere

27

24

0.743

1

0.389

Fixed right hemisphere

18

23

    

Age (years)

52.6

13.7

51.9

13.5

−0.242

90

0.810

PMI (h)

28.7

12.2

33.4

16.2

1.569

90

0.120

Brain weight (g)

1431

143

1411

152

−0.672

90

0.503

Tissue pH

6.4

1.0

6.5

0.2

0.535

89

0.594

DLPFC: high inflammation

2

10

5.458

1

0.024

DLPFC: low inflammation

22

18

    

Inflammation unknowna

21

19

Age of onset

22.8

7.0

Duration of illness (years)

29.1

13.7

Antipsychotics daily mean (mg)

35

744

502

Antipsychotics lifetime (g)

35

8872

7903

Smoking

19

30

0.089

1

0.105

No smoking

17

12

    

Smoking unknowna

9

5

Illicit drug

0

11

0.001

1

0.001

No illicit drug

20

14

    

Illicit drug unknowna

25

22

  1. Abbreviations: DLPFC, dorsolateral prefrontal cortex; PMI, postmortem interval.
  2. aUnknown cases were not entered into statistics.
  3. Antipsychotics data are chlorpromazine equivalents.