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Table 1 Comparison of BPD patient and healthy control cohorts

From: Increased BDNF methylation in saliva, but not blood, of patients with borderline personality disorder

 

BPD patients (T1)

Healthy controls

p value

N

41

41

 

 Age

30.4 ± 8.6

30.7 ± 9.3

n.s.

 Proportion of women (%)

85.36%

85.36%

n.s.

Proportion of individuals who are

 Habitual smokers

53.65%

9.76%

< 0.001

 Habitual drinkers

85.37%

95.12%

n.s.

 Under current medication*

85.36%

0%

< 0.001

Psychiatric questionnaires

 GSI score (SCL90R)

2.1 ± 0.54

0.27 ± 0.24

< 0.001

 PST score (SCL90R)

69.88 ± 9.15

17.8 ± 13

< 0.001

 BSL23 total score

2.48 ± 0.76

0.17 ± 0.23

< 0.001

 CTQ total score

62.9 ± 24.4

33.93 ± 8.47

< 0.001

  1. Age and results from self-administered psychiatric questionnaires are displayed as mean ± standard deviation. p values derive from statistical analysis with independent t test or chi-square test for comparison of percentages
  2. *Psychopharmacological medication only
  3. n.s. not significant (p value > 0.05)