Table 2.
Demographic and clinical characteristics of patients with borderline personality disorder with comorbid posttraumatic stress disorder (BPD + PTSD), patients without comorbid PTSD (BPD), and healthy controls (HC).
| BPD + PTSD (n = 18) |
BPD (n = 35) |
HC (n = 28) |
Group Statistics |
|
|---|---|---|---|---|
| Age [years] | 33.78 ± 9.25 | 31.37 ± 10.07 | 29.54 ± 7.31 | F(2,78) = 1.25, p = .302 |
|
Years of education 9 years 10 years 12–13 years |
n = 3 (17%) n = 7 (39%) n = 8 (44%) |
n = 4 (11%) n = 14 (40%) n = 17 (49%) |
n = 1 (4%) n = 8 (28%) n = 19 (68%) |
Chi² = 4.16, p = .384 |
| MWT-B (intelligence) | 29.55 ± 3.41 | 29.91 ± 3.91 | 29.85 ± 2.84 | F(2,74) = 0.68, p = .934 |
| BSL-23 mean (BPD symptom severity) | 2.17 ± 0.66 | 1.85 ± 0.76 | 0.19 ± 0.18 |
F(2,74) = 81.59, p < .0001 BPD vs. HC, p < .0001 BPD + PTSD vs. HC, p < .0001 BPD vs. BPD + PTSD, p = .169 |
| CTQ (Childhood trauma) | 77.24 ± 18.37 | 62.72 ± 9.93 | 32.04 ± 11.39 |
F(2,55) = 87.19, p < .0001 BPD vs. HC, p < .0001 BPD + PTSD vs. HC, p < .0001 BPD vs. BPD + PTSD, p < .0001 |
| Comorbidities | ||||
| Major depression lifetime | n = 17 | n = 31 | Chi² = 1.17, p = .280 | |
| Dysthymia lifetime | n = 3 | n = 8 | Chi² = 1.20, p = .274 | |
| Alcohol abuse lifetime | n = 5 | n = 8 | Chi² = 1.41, p = .493 | |
| Substance abuse lifetime | n = 6 | n = 9 | Chi² = 0.22, p = .642 | |
| Dependence lifetime | n = 6 | n = 10 | Chi² = 0.06, p = .812 | |
| Panic disorder current | n = 6 | n = 3 | Chi² = 2.66, p = .103 | |
| Panic disorder lifetime | n = 6 | n = 3 | Chi² = 2.66, p = .103 | |
| Social phobia current | n = 7 | n = 6 | Chi² = 0.73, p = .393 | |
| Social phobia lifetime | n = 7 | n = 6 | Chi² = 0.73, p = .393 | |
| Specific phobia current | n = 3 | n = 2 | Chi² = 0.66, p = .416 | |
| Specific phobia lifetime | n = 3 | n = 2 | Chi² = 0.66, p = .416 | |
| OCD current / lifetime | n = 2 | n = 2 | Chi² = 0.11, p = .735 | |
| Pain disorder lifetime | n = 0 | n = 1 | Chi² = 1.54, p = .464 | |
| Anorexia current | n = 0 | n = 1 | Chi² = 0.70, p = .403 | |
| Anorexia lifetime | n = 5 | n = 6 | Chi² = 0.12, p = .725 | |
| Bulimia current | n = 2 | n = 8 | Chi² = 2.22, p = .136 | |
| Bulimia lifetime | n = 7 | n = 7 | Chi² = 0.25, p = .618 | |
Note: Values are presented in means ± standard deviations or frequencies (n) and percentages (%). Post-hoc Tukey tests are shown for subgroup comparisons. BSL-23 = Borderline Symptom List 23; CTQ = Childhood Trauma Questionnaire; OCD = Obsessive Compulsive Disorder.