Skip to main content
. 2017 Jul 31;4:124. doi: 10.3389/fmed.2017.00124

Table 1.

SCL-90-R, BDI-II, and PCLD checklist—military (PCL-M) symptoms per group, mean ± SD, and two sample t-test p-value.

Healthy control Posttraumatic stress disorder/mild traumatic brain injury p
SCL-90-R scale
Somatization 0.43 ± 0.43 0.89 ± 0.74 0.101
Obsessive–compulsive 0.91 ± 0.58 1.71 ± 0.76 0.016
Interpersonal sensitivity 0.54 ± 0.45 1.07 ± 0.48 0.022
Depression 0.54 ± 0.32 1.22 ± 0.75 0.016
Anxiety 0.41 ± 0.29 1.05 ± 0.69 0.016
Hostility 0.61 ± 0.56 1.38 ± 0.8 0.021
Phobic anxiety 0.14 ± 0.23 0.82 ± 0.64 0.006
Paranoid ideation 0.67 ± 0.43 1.14 ± 0.48 0.032
Psychoticism 0.23 ± 0.24 0.7 ± 0.5 0.160
Global severity index 0.51 ± 0.28 1.12 ± 0.56 0.007
Positive symptom distress index 1.45 ± 0.31 1.72 ± 0.37 0.092
Positive symptom total 30.89 ± 15.59 55.91 ± 20.64 0.006
BDI_II 8.22 ± 4.44 18.18 ± 10.85 0.015
PCL-M
Disturbing memories 1.33 ± 0.5 2.8 ± 0.79 <0.001
Disturbing dreams 1.11 ± 0.33 2.8 ± 1.03 <0.001
Re-experiencing 1.11 ± 0.33 1.7 ± 0.67 0.029
Upset when reminded of experience(s) 1.67 ± 0.71 2.4 ± 0.7 0.037
Physical reactions when reminded of experience(s) 1.22 ± 0.44 2.4 ± 0.97 0.004
Avoid thinking or talking about experience(s) 1.33 ± 0.71 3 ± 1.25 0.003
Avoid activities or talking about experience(s) 1.56 ± 0.73 2.8 ± 1.23 0.016
Trouble remembering experience(s) 1.33 ± 0.5 2.1 ± 1.1 0.069
Loss of interest 1.56 ± 0.73 2.8 ± 1.4 0.027
Feeling distant or cut off 1.56 ± 0.73 3 ± 1.49 0.017
Feeling emotionally numb 1.22 ± 0.67 2.7 ± 1.25 0.006
Feeling future will be cut short 1.11 ± 0.33 1.9 ± 1.2 0.072
Difficulty sleeping 1.89 ± 0.93 3.3 ± 0.82 0.003
Irritability or angry outbursts 1.89 ± 0.93 2.5 ± 1.27 0.245
Difficulty concentrating 2.11 ± 0.78 2.8 ± 1.23 0.161
Hyperarousal (alert or on guard) 2.11 ± 1.05 2.9 ± 0.88 0.097
Feeling jumpy or easily startled 2.11 ± 1.17 2.8 ± 1.14 0.210
PCL-M total 26.11 ± 4.26 44.6 ± 10.83 <0.001
PCL-M aggregate symptom domains
Re-experiencing 1.29 ± 0.20 2.42 ± 0.53 <0.001
Avoidance 1.44 ± 0.68 2.90 ± 1.22 0.006
Dysphoria 1.58 ± 0.27 2.63 ± 0.80 0.002
Hyperarousal 2.11 ± 1.08 2.85 ± 0.91 0.13