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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Psychoneuroendocrinology. 2014 Sep 30;51:472–494. doi: 10.1016/j.psyneuen.2014.09.024

Table 1. Demographic, Clinical, and Experiential Characteristics of PTSD Cases and non-PTSD Comparison Subjects.

PTSD Cases Comparison Subjects p
Sample Size: n 25 25
Age: 22.4 ± 3.1 21.9 ± 3.1 0.576
Previously Deployed: n (%) 13 (52.0) 13 (52.0) 1.000
Ancestry: Caucasian n (%) 17 (68.0) 19 (76.0) 0.754
Cohort n (%): 1 3 (12.0) 5 (20.0) 0.721
  2 8 (32.2) 8 (32.2)
  3 14 (56.0) 12 (48.0)
DRRI Combat Experiences 18.5 ± 13.0 19.3 ± 14.8 0.846
DRRI Post-Battle Experiences 7.25 ± 4.5 8.0 ± 4.5 0.518
CAPS Pre-Deployment 22.4 ± 118 14.0 ± 8.7 0.006*
CAPS 3-Months Post-Deployment 62.8 ± 19.0 11.8 ± 10.8 <0.001*
PCL Pre-Deployment 24.3 ± 6.5 22.8 ± 3.4 0.330
PCL 1-Week Post-Deployment 42.9 ± 17.2 23.0 ± 5.2 <0.001*
PCL 3-Months Post-Deployment 49.0 ± 12.4 21.6 ± 6.1 <0.001*
PCL 6-Months Post-Deployment 39.3 ± 15.0 19.8 ± 2.4 <0.001*

Notes:

1) Demographic characteristics of each sample are reported as mean + s.d. unless otherwise noted.

2) Sample means and proportions were compared using independent samples t-tests and chi-square tests, respectively.

3) P-values < .05 are indicated with *.