Abstract
The objectives of the present study were to determine the role of cognitive and mood disorders as determinants of health-related quality of life (HRQOL) in multiple sclerosis (MS), as well as to evaluate the validity of self-assessed HRQOL in cognitively impaired patients and the agreement between self-assessed and proxy-reported HRQOL. The study included 204 MS inpatients and outpatients seen between April and September 1997 at three participating centers. The MS quality of life 54 (MSQOL-54) was explained to the patients by a neurologist who also assisted them to complete the questionnaire. A proxy version of the MSQOL-54 was completed independently by each patient's designated proxy.
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