Treatment outcome |
All |
Severe headache (VAS ≥ 4) |
No. |
Percent |
No. |
incidence |
Completed detoxification |
198 |
52.2 |
75 |
0.38 |
Buprenorphine maintenance therapy |
88 |
23.2 |
12 |
0.14 |
Methadone maintenance therapy |
18 |
4.7 |
8 |
0.44 |
Drop out |
75 |
19.8 |
32 |
0.43 |
Sum |
379 |
100.0 |
127 |
0.34 |
|