Table 3. Response, Episodic Headache, and Cured MOH at Follow-up.
| Outcome at follow-up | Treatment group, No. (%) | P valuea | ||
|---|---|---|---|---|
| Withdrawal plus preventive (n = 31) | Preventive (n = 35) | Withdrawal (n = 36) | ||
| Response (≥50% reduction in headache days per month) | ||||
| 2 mo | 14 (45.2) | 10 (28.6) | 10 (27.8) | .25 |
| 6 mo | 17 (54.8) | 17 (48.6) | 13 (36.1) | .29 |
| Episodic headache | ||||
| 2 mo | 17 (54.8) | 19 (54.3) | 12 (33.3) | .12 |
| 6 mo | 23 (74.2) | 21 (60.0) | 15 (41.7) | .03 |
| No medication overuse | ||||
| 2 mo | 31 (100) | 19 (54.3) | 36 (100) | <.001 |
| 6 mo | 27 (87.1) | 21 (60) | 25 (69.4) | .05 |
| Cured MOH | ||||
| 6 mo | 30 (96.8) | 26 (74.3) | 32 (88.9) | .03 |
Abbreviation: MOH, medication overuse headache.
a
P values calculated using the χ2 test.