| Correlation coefficient (r) for the nBR parameters | ||
---|---|---|---|
Latency | Amplitude | AUC | |
Frequency of headache attacks (days) | 0.497 (iR2)** | −0.588 (iR2)** | −0.521 (iR2)** |
0.469 (cR2)** | −0.634 (cR2)** | −0.626 (cR2)** | |
Duration of headache attacks (hours) | NS | NS | NS |
Pain intensity of headache attacks (NRS) | NS | NS | NS |