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Table 3 Means, standard deviations (SD) and F-test statistics of cardiovascular measures and cortisol levels in patients with BPD and healthy participants. Significant differences between groups are marked with * and bold font

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

Variable BPD Controls F-test statistics
Mean SD Mean SD F p partial η2
PNS index 0.344 0.557 0.359 0.344 0.009 0.925 0.000
SNS index 1.007 1.558 −0.038 1.261 4.818 0.035* 0.124
Stress index 13.603 5.916 8.924 3.695 7.872 0.008* 0.188
Mean HR (bpm) 74.575 7.447 69.248 10.684 3.064 0.089 0.083
SDNN (ms) 42.647 22.415 64.401 22.690 8.354 0.007* 0.197
RMSSD (ms) 40.559 31.503 55.820 26.855 2.416 0.129 0.066
LF/HF ratio (FFT) 1.044 1.108 1.018 1.108 0.005 0.944 0.000
Cortisol 8.748 7.993 7.821 4.834 0.172 0.681 0.005