Table 3 MOH and history of primary headache or migraine
From: Prevalence of medication overuse headache in an interdisciplinary pain clinic
a) OR 13.1, CI [5.52; 31.01] | ||||
|---|---|---|---|---|
| Â | Â | History of primary HA | Â | |
| Â | Â | yes | no | Â |
 MOH | yes | 43 | 9 | 52 |
| Â | no | 23 | 63 | 86 |
| Â | Â | 63 | 75 | 138 |
b) OR 6.8, CI [6.08; 28.14] | ||||
| Â | Â | Migraine | Â | |
| Â | Â | yes | no | Â |
 MOH | yes | 35 | 17 | 52 |
| Â | no | 20 | 66 | 86 |
| Â | Â | 55 | 83 | 138 |