Table G-4Relaxation compared with treatment as usual

Domains Pertaining to Strength of EvidenceMagnitude of EffectStrength of Evidence
Number of Studies; Number of SubjectsRisk of Bias; DesignConsistencyDirectnessPrecisionSummary Effect Size (95% CI)High, Moderate, Low, Insufficient
PTSD Symptom Reduction
1; 25Medium; RCTNA, single studyDirectImpreciseNo benefit found for 3 different measuresInsufficient
Remission (no longer having symptoms)
0; 0NANANANANAInsufficient
Loss of Diagnosis
1; 25Medium; RCTNA, single studyDirectImpreciseTrial did not report data for the inactive comparator groupInsufficient
Prevention/reduction of comorbid depression: BDI
1; 25Medium; RCTNA, single studyDirectImpreciseResults trend in favor of relaxationInsufficient
Prevention/reduction of comorbid anxiety: STAI
1; 25Medium; RCTNA, single studyDirectImpreciseResults trend in favor of relaxationInsufficient
Quality of Life
0; 0NANANANANAInsufficient
Disability/functional impairment
0; 0NANANANANAInsufficient
Return to work or return to active duty
0; 0NANANANANAInsufficient

Abbreviations: CI = confidence interval; NA = not applicable; RCT = randomized controlled trial

From: Appendix G, Strength of Evidence

Cover of Psychological and Pharmacological Treatments for Adults With Posttraumatic Stress Disorder (PTSD)
Psychological and Pharmacological Treatments for Adults With Posttraumatic Stress Disorder (PTSD) [Internet].
Comparative Effectiveness Reviews, No. 92.
Jonas DE, Cusack K, Forneris CA, et al.

PubMed Health. A service of the National Library of Medicine, National Institutes of Health.