Cluster analysis of personality traits in psychiatric patients with borderline personality disorder

Table 4 Fulfilled borderline personality disorder (BPD) diagnostic criteria for the three-cluster solution of BPD

	Lower psychopathology cluster, n (%)	Externalizing cluster, n (%)	Internalizing cluster, n (%)	Cramér’s V	Post-hoc
1. Fear of abandonment	36 (53.7%)	22 (78.6%)	26 (56.4%)	0.19
2. Unstable relationships	53 (79.1%)	26 (92.9%)	36 (78.3%)	0.15
3. Identity disturbance	30 (44.8%)	16 (57.1%)	23(50.0%)	0.09
4. Impulsiveness	54 (80.6%)	22 (78.6%)	36 (78.3%)	0.07
5. Suicidal behavior	57 (85.1%)	23(82.1%)	39 (84.8%)	0.03
6. Affective instability	66 (98.5%)	27 (96.4%)	46 (100.0%)	0.11
7. Feeling of emptiness	54 (80.6%)	24 (85.0%)	43 (93.5%)	0.26
8. Difficulty controlling anger	45(67.2%)	27 (96.4%)	39(84.8%)	0.29	A < B**
9. Dissociative symptoms, stress-related paranoia	39 (58.2%)	18 (64.3%)	35 (76.1%)	0.13
Number of fulfilled criteria (SD)	6.4 (1.2)	7.3 (1.2)	7.0 (1.1)

Note. **p < 0.01. One item of missing data on impulsiveness. Two items of missing data on dissociative symptoms and stress-related paranoia. Estimated with mean (standard deviation) on number of fulfilled criteria. Effect size was calculated with Cramér’s V. Bonferroni was used for post-hoc analyses

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