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. 2018 Aug 23;5:14. doi: 10.1186/s40479-018-0091-y

Table 2.

Independent Sample T-Tests

t df Sig. (2-tailed) Mean Difference1 Std. Error Difference 95% Confidence Interval of the Difference
Lower Upper
Age in years .75 18 .46 3.50 4.66 −6.30 13.30
MSI-BPD Total Score 3.87 14 .002 5.23 1.35 2.33 8.14
PAI-BOR Total T-score 5.67 17 .001 24.31 4.29 15.26 33.36
PAI-BOR A Subscale T-score 4.39 9.67 .001 18.00 4.10 8.82 27.18
PAI-BOR I Subscale T-score 4.78 18 .001 19.60 4.10 10.98 28.22
PAI-BOR N Subscale T-score 4.89 17 .001 21.79 4.45 12.39 31.19
PAI-BOR S Subscale T-score 4.04 17 .001 19.03 4.71 9.10 28.97

Note: 1 = group high in borderline traits – group low in borderline traits, MSI-BPD McLean Screening Instrument for BPD, PAI-BOR Personality Assessment Inventory Borderline Scale, A affective instability subscale, I identity problems subscale, N negative relationships subscale, S self-harm subscale