Table 1 Descriptive statistics for included cohorts.

From: Trauma and posttraumatic stress disorder modulate polygenic predictors of hippocampal and amygdala volume

Cohort (site)

N

N male (%)

Mean age (SD)

N PTSD cases (%)a

N childhood trauma (%)a

PGC-PTSD

377

296 (78.5)

35.32 (11.34)

173 (45.9)

101 (50.8)

BETR

71

70 (98.6)

36.68 (10.00)

44 (62.0)

25 (36.8)

DEFE

174

165 (94.8)

32.86 (8.08)

64 (36.8)

N/A

BRY2

116

51 (44.0)

41.16 (12.34)

62 (53.4)

73 (63.5)

KMCT

16

10 (62.5)

13.87 (2.13)

3 (18.8)

3 (18.8)

MIRE

143

128 (89.5)

37.59 (9.86)

38 (26.6)

64 (44.8)

TRAC

169

158 (93.5)

31.18 (8.15)

92 (56.1)

38 (22.6)

UKBB

6570

3057 (46.5)

55.12 (7.42)

160 (3.2)

1271 (25.8)

VETS

321

321 (100.0)

62.01 (2.57)

34 (10.6)

196 (61.1)

Total

7580

    
  1. DEFE Defining Essential Feature of Neural Damage - VA Minneapolis HealthCare System, Minneapolis MN USA, Meta meta-analysis, PGC-PTSD Psychiatric Genetics Consortium-Posttraumatic Stress Disorder, TRAC Translational Research Center for TBI and Stress, Boston VA HealthCare System, Boston MA USA, VETS Vietnam Era Twin Study of Aging, San Diego VA Healthcare System, San Diego CA USA, MIRE Duke University and VA Mid-Atlantic Mental Illness Research Education and Clinical Center the Study of Post-Deployment Mental Health Study, Durham NC USA, UKBB United Kingdom BioBank, BRY2 Bryant2 Sydney Neuroimaging, University of New South Wales Australia, KMCT Katie McLaughlin Child Trauma, Child Trauma and Neural Systems Underlying Emotion Regulation, University of Washington, Seattle WA USA, BETR Biological Effects of Traumatic Experiences, University Medical Center, Utrecht Netherlands.
  2. aPercentages are computed based on the number of subjects with non-missing values.