Figure 2From: An open-label, multicenter study to evaluate the safe and effective use of the single-use autoinjector with an Avonex® prefilled syringe in multiple sclerosis subjects Mean patient preference scores for prefilled pen vs. the prefilled syringe on 7 domains relevant to self-injection (analysis population, n = 70). *Scores in each domain range from 0 (prefilled pen much worse) to 10 (prefilled pen much better).Back to article page