Table 4.
Changes in clinical outcomes
| Measure | Baseline | Post-Treatment | Analysis (Pre to Post) | Effect Size* | ||||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| Mean | SD | Mean | SD | F | Df | p | ||
| CAPS Severity | 87.45 | 18.92 | 34.57 | 17.71 | 36.61 | 1, 9.0 | <.001 | 2.79 |
| Cluster B | 25.18 | 7.05 | 7.00 | 4.69 | 46.17 | 1, 9.50 | <.001 | 2.58 |
| Cluster C | 34.45 | 9.70 | 13.00 | 10.46 | 19.71 | 1, 16.0 | <.001 | 2.21 |
| Cluster D | 27.81 | 4.91 | 14.57 | 5.44 | 28.64 | 1, 16.0 | <.001 | 2.70 |
| PCL Severity | 58.36 | 12.00 | 31.29 | 11.56 | 30.88 | 1, 6.80 | .001 | 2.26 |
| Cluster B | 17.00 | 3.58 | 8.86 | 3.24 | 24.92 | 1, 13.9 | <.001 | 2.27 |
| Cluster C | 22.45 | 7.01 | 12.43 | 5.26 | 19.43 | 1, 6.70 | .003 | 1.43 |
| Cluster D | 18.91 | 2.88 | 12.16 | 5.04 | 35.38 | 1, 14.5 | <.001 | 2.34 |
| BDI-II Severity | 26.09 | 13.11 | 14.00 | 14.69 | 10.98 | 1, 16.0 | .004 | 0.92 |
| Cognitive | 16.81 | 9.21 | 8.00 | 9.45 | 12.70 | 1, 15.9 | .003 | 0.96 |
| Somatic | 9.30 | 4.57 | 6.00 | 5.26 | 4.57 | 1, 14.8 | .050 | 0.72 |
| STAXI-2 Anger Expression Index | 41.44 | 13.73 | 31.71 | 12.83 | 4.73 | 1, 13.4 | .048 | 0.71 |
Note: CAPS-the Clinician Administered PTSD Scale; PCL- the PTSD Checklist; Cluster B-re-experiencing symptoms, Cluster C-avoidance/numbing symptoms, Cluster D-hyperarousal symptoms; BDI-II- Beck Depression Inventory, second edition; STAXI-2 Anger Expression Index- State-Trait Anger Expression Inventory-2.
Cohen’s d = (Mpre−Mpost)/s; cutoffs scores are: 0.2—small, 0.5—medium, and 0.8—large