The average sample size of the analyzed studies was 243.33 participants.
Cognitive-behavioral interventions had a large effect size of 1.63 for reducing symptoms.
63.98% of participants in randomized controlled trials (RCTs) were female.
Considerable heterogeneity was observed among the different groups analyzed.
No significant differences were found in the total number or duration of intervention sessions between RCTs and non-RCTs.
Average follow-up times varied significantly between RCTs and non-RCTs.
Simplified
PURPOSE OF THE REVIEW: The objective of this study was to do a meta-analysis focusing on the efficacy of psychological intervention for the adolescent population and as a primary outcome variable.
COLLECTION AND ANALYSIS OF DATA: An electronic search was conducted on PubMed, Science Direct, PsycINFO, and Cochrane Library databases from January 1, 1990, to March 31, 2023. Original studies and systematic reviews/meta-analyses were segregated. In the first study, 129 meta-analyses (MAs) were screened and 8 MAs were analyzed. In the second study, six RCTs and five non-RCTs exclusively including adolescents with a primary diagnosis of PTSD were analyzed. The MA revealed the average sample size to be 243.33 (SD = 372.94) with 63.98% female participants in RCTs and 153 (SD = 237.17) with 56.99% female participants in non-RCTs. A total of 13 different interventions were analyzed. Cognitive-behavioral intervention had a large effect size of 1.63 for PTSD. Cochrane's Q test and Iindex revealed considerable heterogeneity among groups. There was no significant difference between RCTs and non-RCTs in the total number and duration of intervention sessions and the duration of each session. However, the average follow-up time points varied significantly between RCTs and non-RCTs. RCTs followed random sequence generation and, hence, had a low risk of selection bias. 2
CONCLUSION: Although the framework with a focus on trauma and traumatic emotions was at the core of treatment efficacy, the type of trauma was the key consideration. Further studies of treatment efficacy moderated by specific trauma characteristics are required to advance the knowledge base in the treatment of PTSD in adolescents.
Key numbers
1.63
Effect Size of
Effect size for in treatment.
11
Total Studies Analyzed
Includes six RCTs and five non-RCTs.
243.33
Average Sample Size
Average sample size across the analyzed studies.
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