Table 4.
Distribution of studies (n=159) reporting on the prevalence of psoriasis according to regions
| Region | No of studies* |
|---|---|
| Western Europe | 97 |
| High income North America | 20 |
| East Asia | 16 |
| North Africa and the Middle East | 18 |
| Central Europe | 6 |
| Tropical Latin America | 5 |
| High income Asia Pacific | 4 |
| Australasia | 3 |
| Eastern Europe | 4 |
| South Asia | 3 |
| South East Asia | 1 |
| Eastern sub-Saharan Africa | 1 |
The number of studies is higher than 159 because some studies reported data on many countries belonging to different regions.