| Article ID: | iaor20117218 |
| Volume: | 25 |
| Issue: | 3 |
| Start Page Number: | 243 |
| End Page Number: | 255 |
| Publication Date: | Sep 2004 |
| Journal: | Revista Investigacion Operacional |
| Authors: | Bouza Carlos, Viada Gonzalez Carmen E, Torres Barbosa Franz, Torres Gemeil Olga |
| Keywords: | health services |
A statistical study is presented to evaluate the effectiveness of a medication for the cure of the psoriasis. An index is used. Some of its statistical properties are considered. The existence of missing data was taken into account and imputations were made. The study was developed in the 14 counties of the country during a large period.