Table 1 Patient demographics and clinical features of chronic headache
From: Evidence of persistent central sensitization in chronic headaches: a multi-method study
| Â | Headache | Control |
|---|---|---|
Group size | 69 | 18 |
Gender (female:male) | 57:12 | 13:5 |
Age (years) | 40.1 ± 12.3 | 43.1 ± 18.1 |
Headache frequency (days/month) | 25.2 ± 6.0 |  |
Pain intensity (VAS) | 7.1 ± 1.9 | |
Headache history (years) | 18.2 ± 12.7 | |
Chronic headache history (years) | 5.7 ± 7.0 | |
Cutaneous allodynia | 79% | |
Depression | 7.4 ± 3.5 | |
Anxiety | 9.7 ± 3.9 | |
Pain intensity at exam (VAS) | 2.3 ± 1.9 | 0 |