Table 2 Clinical characteristics of the population
Medium | Sd | |
|---|---|---|
Age at onset | 17.7 | 8.5 |
(years) | ||
Days of drug intakes/month | 21.5 | 6.9 |
Headaches days/month | 22.4 | 6.1 |
Duration of overuse (years) | 3.9 | 4.4 |
Medium | Sd | |
|---|---|---|
Age at onset | 17.7 | 8.5 |
(years) | ||
Days of drug intakes/month | 21.5 | 6.9 |
Headaches days/month | 22.4 | 6.1 |
Duration of overuse (years) | 3.9 | 4.4 |