Table 6.

Pre- and post-treatment outcomes of adolescent samples that received DBT full-programme treatment in the selected studies.

	DBT details	n	Pre-treatment M ± SD	Pre-treatment interval	Post-treatment M ± SD	Post-treatment interval
Borderline Symptoms List (BSL)
Aggregated RCT+ Effectiveness	16–24 weeks	151	2.18 ± 0.87	[1.31 – 3.05]	1.47 ± 0.79	[0.68 – 2.26]
Difficulties in Emotion Regulation Scale (DERS)
Berk et al., 2018	24 weeks	24	3.33 ± 0.61	[2.73 – 3.94]	2.56± 0.80	[1.75 – 3.36]

Note. M = Mean, SD = Standard-deviation; DBT = Dialectical Behaviour Therapy; n = sample size;.