Long-term treatment risks in multiple sclerosis: risk knowledge and risk perception in a large cohort of mitoxantrone-treated patients.

The article presents a study which aims to conduct retrospective cohort study to estimate the perception and risk awareness of multiple sclerosis (MS) patients which treated motoxantrone in Hamburg, Germany. The study made use of an wilcoxon rank-sum test to compare knowledge and risk awareness before reading the brochure.The results of the study show that the accuracy of LK risk estimation increased by reading the information.