Fig. 4.
Disability outcome measures used over time in phase III progressive MS trials published since 2007 (n = 18): a EDSS-related measures; b other outcome measures. Published trials only (trials could not be assessed according to start date, as this was not available for all published trials). EDSS Expanded Disability Status Scale, MS multiple sclerosis, MSFC Multiple Sclerosis Functional Composite, RFSS Regional Functional Scoring Scale, SF–36 Medical Outcomes Study Short-Form (36-item) Health Survey, SNRS Scripps Neurologic Rating Scale