Table 1 Overview of the cohorts.

From: Epigenome-wide meta-analysis of PTSD across 10 military and civilian cohorts identifies methylation changes in AHRR

Study

N

PTSD (%)

Male (%)

Smokers (%)

White (%)

Black (%)

Hispanic (%)

Other or unknown (%)

DNHS

100

40%

40%

32%

15%

85%

0%

0%

GTP

265

28%

29%

30%

6%

94%

0%

0%

WTC

180

47%

100%

9%

76%

4%

0%

20%

Army STARRS

102

50%

100%

70%

100%

0%

0%

0%

MRS

126

50%

100%

56%

57%

8%

25%

9%

INTRuST

303

38%

66%

25%

67%

19%

7%

7%

PRISMO

62

52%

100%

61%

100%

0%

0%

0%

VA-M-EA

176

49%

78%

26%

100%

0%

0%

0%

VA-M-AA

369

50%

50%

30%

0%

100%

0%

0%

VA-NCPTSD

213

69%

90%

23%

100%

0%

0%

0%

Civilian Subtotal

545

42%

54%

23%

31%

63%

0%

7%

Military Subtotal

1351

42%

56%

34%

61%

32%

4%

3%

Total

1896

42%

55%

31%

52%

41%

3%

3%

  1. Participating civilian cohorts include: Detroit Neighborhood Health Study (DNHS), Grady Trauma Project (GTP), World Trade Center 9/11 Responders. Participating military cohorts include: SUNY (WTC), Army Study to Assess Risk and Resilience in Servicemembers (Army STARRS), Injury and Traumatic Stress (INTRuST), Marine Resiliency Study (MRS), Prospective Research in Stress-related Military Operations (PRISMO), Mid-Atlantic VA VISN 6 MIRECC (VA-M-AA & VA-M-EA), Boston VA/National Center for PTSD (VA-NCPTSD).