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Table 1 Demographic factors of the suicide group and the non-suicide group in bipolar disorder and schizophrenia

From: Suicide candidate genes associated with bipolar disorder and schizophrenia: An exploratory gene expression profiling analysis of post-mortem prefrontal cortex

 

Bipolar disorder (n = 45)

Schizophrenia (n = 45)

 

Suicide n = 22

Non-suicide n = 23

vs1 suicide

vs2 expression

Suicide n = 10

Non-suicide n = 35

vs1 suicide

vs2 expression

Age

44.3 ± 10.9

45.4 ± 11.3

n.s

n.s

34.5 ± 7.6

44.3 ± 9.1

0.003

n.s

Sex (M/F)

11/11

12/11

n.s

n.s

6/4

28/7

n.s

< 0.001

PMI

36.8 ± 19.3

36.8 ± 16.9

n.s

n.s

35.3 ± 17.9

31.4 ± 15.0

n.s

n.s

Brain pH

6.4 ± 0.3

6.4 ± 0.3

n.s

< 0.0001

6.4 ± 0.3

6.4 ± 0.3

n.s

0.005

Smoking3

8/9/5

13/6/4

n.s

n.s

3/2/5

25/5/5

0.03

n.s

Alcohol 4

2/7/4/2/5/2/0

4/4/2/3/5/4/1

n.s

n.s

3/2/1/0/2/2

9/7/4/4/3/8

n.s

n.s

Drug abuse5

7/3/4/4/1/3

9/1/2/2/2/7

n.s

n.s

4/1/1/0/2/2/0

17/3/2/3/3/5/2

n.s

n.s

  1. 1P-values less than 0.05 were considered significant.
  2. 2P-values listed represent the lowest. FDR P-values less than 0.05 were considered significant.
  3. 3Smoking; Yes/No/Unknown
  4. 4Alcohol; Little or none/Social/Moderate drinking in past/Moderate drinking in present/Heavy drinking in past/Heavy drinking in present.
  5. 5Drug abuse; Little or none/Social/Moderate drug use in past/Moderate drug use in present/Heavy drug use in past/Heavy drug use in present/Unknown.
  6. The continuous variables represent the mean ± S.D. n.s., not significant.