From: Evidence of persistent central sensitization in chronic headaches: a multi-method study
 | Headache | Control | Group differences |
---|---|---|---|
Algometry score | 40.64 ± 13.4 | 52.5 ± 16.7 | P < 0.005* |
Pinprick score | 54.76 ± 62.9 | 19.08 ± 21.6 | P < 0.005* |
Wind-up score | 24.07 ± 24.37 | 12.4 ± 8.3 | NS |
BR R3 (mA) | 7.6 ± 2.16 | 9.6 ± 1.5 | P < 0.0001* |
NFR R3 (mA) | 9.0 ± 2.2 | 10.3 ± 1.7 | P < 0.005* |
NFR pain threshold (mA) | 6.2 ± 1.9 | 9.8 ± 1.8 | P < 0.0001* |