Table 1 Characteristics of the study cohort.

From: Expression of DNA repair genes and its relevance for DNA repair in peripheral immune cells of patients with posttraumatic stress disorder

 

PTSD (n = 14)

Control (n = 15)

Statistic

p

Age (years)

24.5 (8.5) [17, 36]

22.5 (12.7) [16, 49]

U = 201.0

0.927

Sex (female)

5 (35.7%)

4 (26.7%)

χ2 = 0.02

0.700

Daily cigarettes

0 (0) [0, 45]

0 (4) [0, 27]

U = 220.0

0.304

War/torture events (vivo event list)

7.5 (11.7) [0, 19]

2.0 (6.0) [0, 20]

U = 191.5

0.140

Civil traumatic events (CAPS event list)

7.5 (2.5) [5, 13]

7.0 (4.5) [1, 15]

U = 201.5

0.300

Lifetime traumatic event exposurea

17.5 (12.2) [5, 29]

9.0 (10.5) [1, 24]

U = 185.5

0.084

PTSD symptom severity (CAPS)

81.5 (26.0) [63, 113]

17.5 (41.0) [0, 65]

U = 106.0

 < 0.001

Depressive symptom severity (HAMD)

28.0 (14.0) [12, 44]

5.0 (14.0) [0, 31]

U = 114.5

0.002

Comorbid major depressive disorder

10 (71.4%)

5 (33.3%)

χ2 = 2.82

0.066

Somatic symptoms (SOMS-7)

21.0 (9.5) [5, 48]

8.0 (23.0) [0, 41]

U = 182.5

0.063

Chronic physical disease

3 (21.4%)

4 (28.6%b)

χ2 = 0

1

  1. Values represent Mdn (IQR) [range] or n (%); U = Mann–Whitney U test; χ2 = Fisher’s exact test. All tests were calculated against α < 0.05 (two-tailed).
  2. aSum of CAPS and Vivo event checklists.
  3. bOne missing value.