Table 2 Demographic data of all the patients, as well as the subgroups with and without analgesic overuse
From: Prevalence of medication overuse headache in an interdisciplinary pain clinic
| Â | Overall population | Analgesic overuse | No analgesic overuse | p-value |
|---|---|---|---|---|
|  | n = 178 | n = 138 | n = 40 |  |
Age (y, mean ± SD) | 46 ± 13 | 46 ± 12 | 42 ± 14 | ns |
Sex male/ female | 85/ 93 | 65/ 73 | 20/ 20 | ns |
History of migration ( n) | 111 | 95 | 16 | 0.012 |
Duration of pain disorder ( y) | 7.8 ± 9.2 | 7.7 ± 8.9 | 8.0 ± 9.9 | ns |
Accident ( n) | 53 | 43 | 11 | ns |
Depression ( n) | 82 | 74 | 8 | 0.002 |
Anxiety ( n) | 22 | 18 | 4 | ns |