The Preference-Based Multiple Sclerosis Index: an assessment of its psychometric properties and translation into Turkish.

Turkish version of PBMSI has good psychometric properties to assess health-related quality of life in people with multiple sclerosis. PBMSI-SG should be preferred over PBMSI-RS.IMPLICATIONS FOR REHABILITATIONHealth-related quality of life is often used as a primary or secondary endpoint in multiple sclerosis research.The Preference-Based Multiple Sclerosis Index is the first preference-based health-related quality of life measure developed in multiple sclerosis using patient preferences.Preference-Based Multiple Sclerosis Index was translated to Turkish and demonstrated good psychometric properties, including structural, convergent, known-groups validity, internal consistency, and test-retest reliability.Professionals working in the field of multiple sclerosis research and rehabilitation may benefit from using the Preference-Based Multiple Sclerosis Index as it is a short and psychometrically robust instrument.