| PNS index | SNS index | Stress index | SDNN | Mean HR | Cortisol | BSL-23 |
---|---|---|---|---|---|---|---|
HEP frontal | 0.3871 (0.018) | 0.158 (0.351) | 0.137 (0.420) | −0.277 (0.097) | 0.116 (0.495) | −0.169 (0.325) | −0.248 (0.139) |
HEP central | 0.523 (0.001)* | −0.323 (0.051) | −0.2268 (0.108) | 0.129 (0.446) | −0.391 (0.017) | − 0.399 (0.016) | −0.083 (0.626) |
BSL-23 | 0.135 (0.425) | 0.405 (0.013) | 0.493 (0.002)* | −0.483 (0.002)* | 0.362 (0.028) | −0.001 (0.994) |  |
Cortisol | −0.155 (0.365) | 0.411 (0.013) | 0.374 (0.025) | −0.163 (0.341) | 0.336 (0.045) |  |  |