Abstract
BACKGROUND: Assessment of disease impact in multiple sclerosis (MS) is usually driven by information obtained directly from patients using patient-reported outcomes. However, when patients' response in longitudinal studies is less reliable or missing, proxy respondents may be used.
Original language | English |
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Pages (from-to) | 1865-1871 |
Journal | MULTIPLE SCLEROSIS |
Volume | 21 |
Issue number | 14 |
DOIs | |
Publication status | Published - 2015 |