Table 2.
Pearson Correlation Coefficients Between Psychophysiological Measures and CAPS Scores
| CAPS Scores (freq + int) | Description | CAPS Means | HRR | SCR | EMGR |
|---|---|---|---|---|---|
| CAPS TOTAL | CAPS Total Score | 69.1 | 0.30* | −0.14 | −0.05 |
| CAPS B1 | Distressing recollections | 3.6 | 0.27 | 0.10 | 0.20 |
| CAPS B2 | Distressing dreams | 5.4 | 0.40*** | 0.03 | −0.07 |
| CAPS B3 | Reliving the trauma | 1.1 | −0.01 | −0.15 | −0.02 |
| CAPS B4 | Psychological distress at cue exposure | 3.6 | 0.04 | −0.25 | −0.09 |
| CAPS B5 | Physiological reactivity to cue exposure | 3.6 | 0.26 | 0.15 | 0.10 |
| CAPS B | Reexperiencing the trauma | 17.5 | 0.31 | −0.02 | 0.07 |
| CAPS C1 | Avoiding thoughts, feelings, or conversations | 5.6 | 0.11 | −0.17 | 0.13 |
| CAPS C2 | Avoiding activities, places, or people | 4.4 | 0.19 | 0.16 | −0.09 |
| CAPS C3 | Inability to recall aspects of traumatic event | 2.4 | 0.01 | −0.06 | 0.06 |
| CAPS C4 | Diminished interest in significant activities | 3.9 | 0.05 | 0.04 | −0.06 |
| CAPS C5 | Feeling detached or estranged from others | 5.4 | 0.32 | 0.03 | 0.19 |
| CAPS C6 | Restricted range of affect | 4.1 | −0.07 | −0.09 | −0.14 |
| CAPS C7 | Sense of foreshortened future | 3.3 | 0.15 | −0.07 | −0.07 |
| CAPS C | Avoiding stimuli/numbing of responsiveness | 29.5 | 0.21 | −0.02 | −0.03 |
| CAPS D1 | Difficulty falling/staying asleep | 5.4 | −0.09 | −0.39 | 0.08 |
| CAPS D2 | Irritability/outbursts of anger | 4.0 | 0.20 | −0.07 | 0.04 |
| CAPS D3 | Difficulty concentrating | 4.8 | 0.11 | −0.10 | −0.08 |
| CAPS D4 | Hypervigilance | 4.8 | 0.15 | −0.05 | −0.30 |
| CAPS D5 | Exaggerated startle response | 3.4 | 0.13 | −0.11 | −0.08 |
| CAPS D | Increased arousal | 22.1 | 0.19 | −0.30 | −0.15 |
For CAPS Total Score, threshold p<0.017*
For CAPS Cluster Score, threshold p<0.006**
For CAPS Item Score, threshold p<0.001***
CAPS: Clinician Administered PTSD Scale.