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Table 3 The most common (≥3%) treatment-emergent prefilled pen injection site-related adverse events

From: 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

  n %
Number of patients who received at least 1 injection with prefilled pen 72 100
Injection site-related adverse event
   Injection site pain 5 7
   Injection site hematoma 4 6
   Injection site erythema 2 3
   Injection site hemorrhage 2 3
   Injection site induration 2 3
  1. Note: A patient was counted only once within each preferred adverse event term.