Impact of comorbid borderline personality disorder on inpatient treatment for bulimia nervosa: analysis of routine data

Table 2 Results of the repeated measures analyses of variance for changes from admission to discharge in EDI-2 scores for inpatients with BN and BN + BPD

Variable	Effect	F,¹ p	Partial η²
Total score	Treatment	385.56, < 0.001	0.31
	Diagnosis	76.51, < 0.001	0.08
	Treatment × Diagnosis	2.49, 0.115	< 0.01
Drive for thinness	Treatment	265.04, < 0.001	0.23
	Diagnosis	37.42, < 0.001	0.04
	Treatment × Diagnosis	2.83, 0.093	<
Bulimia	Treatment	665.90, < 0.001	0.43
	Diagnosis	6.70, 0.010	0.01
	Treatment × Diagnosis	0.02, 0.876	< 0.01
Body dissatisfaction	Treatment	114.26, < 0.001	0.12
	Diagnosis	34.46, < 0.001	0.04
	Treatment × Diagnosis	3.19, 0.074	< 0.01
Ineffectiveness	Treatment	205.52, < 0.001	0.19
	Diagnosis	83.80, < 0.001	0.09
	Treatment × Diagnosis	0.62, 0.433	< 0.01
Perfectionism	Treatment	49.22, < 0.001	0.05
	Diagnosis	7.08, 0.008	0.01
	Treatment × Diagnosis	6.90, 0.009	0.01
Interpersonal distrust	Treatment	111.37, < 0.001	0.11
	Diagnosis	41.14, < 0.001	0.05
	Treatment × Diagnosis	0.34, 0.558	< 0.01
Interoceptive awareness	Treatment	186.73, < 0.001	0.18
	Diagnosis	1.64, 0.201	< 0.01
	Treatment × Diagnosis	1.64, 0.201	< 0.01
Maturity fears	Treatment	50.78, < 0.001	0.06
	Diagnosis	3.31, 0.069	< 0.01
	Treatment × Diagnosis	0.29, 0.591	< 0.01
Asceticism	Treatment	131.04, < 0.001	0.13
	Diagnosis	25.21, < 0.001	0.03
	Treatment × Diagnosis	4.47, 0.035	0.01
Impulse regulation	Treatment	92.79, < 0.001	0.10
	Diagnosis	106.96, < 0.001	0.11
	Treatment × Diagnosis	0.09, 0.760	< 0.01
Social insecurity	Treatment	158.33, < 0.001	0.16
	Diagnosis	61.03, < 0.001	0.07
	Treatment × Diagnosis	0.86, 0.353	< 0.01

Note. ¹degrees of freedom for all tests = 1, 874, except for asceticism (1, 865), impulse regulation (1, 866), and social insecurity (1, 865). EDI-2 Eating Disorder Inventory 2, BN bulimia nervosa, BN + BPD bulimia nervosa with comorbid Borderline Personality Disorder

ISSN: 2051-6673