Table 4.

Treatment outcomes in different treatment groups after imputation: Secondary outcomes.

		Available data						Intent to treat data
		Tbaseline		Tpost-treatment				Tpost-treatment
Measure	Group	N	M(SD)	N	M(SD)	da	p	N	M(SD)	da	p	ANOVAb	Factor	p
MSI-BPD	DBT-PTSD	42	6.47 (2.19)	21	5.24 (3.05)	0.65	.007	42	5.63 (2.78)	0.42	.009	F(1,129) = 17.18	Time	<.001
	TAU	89	5.54 (2.30)	53	4.27 (2.57)	0.48	<.001	89	4.83 (2,53)	0.36	.001	F(1,129) = 4.311	Group	.032
	dc				0.36		.170		0.31		.102	F(1,129) = 0.121	Gr. x ti.	.728
PHQ-9	DBT-PTSD	43	17.7 (4.41)	22	11.5(4.96)	1.18	<.001	43	14.3 (5.51)	0.65	<.001	F(1,149) = 68.60	Time	<.001
	TAU	108	16.9 (4.86)	66	12.5 (4.81)	1.28	<.001	108	13.8 (5.04)	0.78	<.001	F(1,149) = 0.559	Group	.456
	dc				0.19		.441		0.09		.637	F(1,149) = 0.169	Gr. x ti.	.681
GAD-7	DBT-PTSD	44	13. (3.81)	22	9.27 (5.28)	1.04	<.001	44	11.2 (5.01)	0.59	<.001	F(1,150) = 46.96	Time	<.001
	TAU	108	14.2 (4.24)	66	10.6 (4.73)	0.89	<.001	108	11.8 (4.85)	0.61	<.001	F(1,150) = 0.432	Group	.512
	dc				0.26		.291		0.11		.524	F(1,150) = 0.053	Gr. x ti.	.818
ERQ Reappraisal	DBT-PTSD	42	22.5 (7.81)	21	28.8 (5.98)	1.01	<.001	42	26.2 (7.74)	0.58	<.001	F(1,133) = 26.19	Time	<.001
	TAU	93	22.5 (7.77)	55	26.1 (6.46)	0.48	<.001	93	24.7 (6.95)	0.36	<.001	F(1,133) = 0.35	Group	.556
	dc				0.44		.094		0.21		.260	F(1,133) = 1.79	Gr. x ti.	.183
ERQ Suppression	DBT-PTSD	42	19.1 (5.09)	21	16.5 (4.93)	0.70	.004	42	17.3 (4.73)	0.45	.006	F(1,134) = 5.26	Time	.023
	TAU	94	17.0 (5.53)	56	17.2 (4.48)	0.01	.921	94	17.0 (4.81)	0.01	.921	F(1.134) = 1.91	Group	.169
	dc				0.14		.590		0.06		.748	F(1.134) = 5.78	Gr. x ti.	.018
WHODAS	DBT-PTSD	44	22.8 (8.05)	22	18.4 (8.57)	0.99	<.001	44	19.8 (7.95)	0.58	<.001	F(1,140) = 38.6	Time	<.001
	TAU	98	22.9 (8.07)	62	18.6 (8.26)	0.76	<.001	98	20.0 (7.97)	0.55	<.001	F(1,140) = 0.01	Group	.928
	dc				0.03		.907		0.02		.901	F(1,140) = 0.01	Gr. x ti.	.909

Note: DBT-PTSD = Dialectical Behavioural Therapy – Posttraumatic Stress Disorder, TAU = Treatment as usual, MSI-BPD = McLean Screening Instrument for Borderline Personality Disorder, PHQ-9 = Patient Health Questionnaire-9, GAD-7 = Brief Measure for assessing General Anxiety Disorder, ERQ = Emotion Regulation Questionnaire, WHODAS = WHO Disability Assessment Schedule.

^aCohen’s d was computed using the pooled standard deviation of scores at admission (t1) and discharge (t2).

^bRepeated measures analysis of variance with intent to treat data.

^cCohen’s d was computed using the pooled standard deviation of scores at discharge (t2) from the DBT-PTSD and TAU groups.