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Table 5 Correlations (r (p)) between the items of the childhood trauma questionnaire and physiological data of HEP and cardiovascular measures. The significant correlations are marked with * and printed in bold. The correlations survived Bonferroni correction (corrected for 6 factors: HEP frontal, HEP central, CTQ score, cortisol, heartrate and HRV-variables (PNS index, SNS, Stress index, SDNN subsumed in a single one factor) resulting in p < 0.05/6 = 0.0083)

From: Altered interoception in patients with borderline personality disorder: a study using heartbeat-evoked potentials

  Emotional abuse Physical abuse Sexual abuse Emotional neglect Physical neglect Total score
HEP frontal 0.200 (0.236) 0.159 (0.348) 0.130 (0.443) 0.231 (0.170) 0.308 (0.064) 0.162 (0.338)
HEP central 0.141 (0.406) 0.034 (0.843) −0.275 (0.099) 0.002 (0.991) −0.062 (0.716) − 0.032 (0.853)
PNS index −0.066 (0.697) 0.025 (0.884) −0.046 (0.789) − 0.189 (0.263) − 0.130 (0.442) −0.152 (0.368)
SNS index 0.378 (0.021) 0.378 (0.021) 0.305 (0.065) 0.530 (0.001)* 0.343 (0.038) 0.475 (0.003)*
Stress index 0.479 (0.003)* 0.501 (0.002)* 0.362 (0.028) 0.617 (< 0.001)* 0.450 (0.005)* 0.563 (< 0.001)*
SDNN −0.468 (0.003)* − 0.383 (0.019) − 0.290 (0.081) −0.578 (< 0.001)* − 0.419 (0.010) −0.495 (0.002)*
Mean HR 0.313 (0.059) 0.286 (0.086) 0.342 (0.038) 0.509 (0.001)* 0.298 (0.074) 0.453 (0.005)*
Cortisol −0.031 (0.856) −0.027 (0.875) 0.072 (0.659) 0.028 (0.870) −0.039 (0.823) 0.042 (0.808)