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Table 3 Multiple Sclerosis Treatment Concern Questionnaire score for subscales relating to injection-site reactions and flu-like symptoms (mITT population)

From: Adherence to interferon β-1a therapy using an electronic self-injector in multiple sclerosis: a multicentre, single-arm, observational, phase IV study

  Injection-site reaction score Flu-like symptom score
Observed Paired change Observed Paired change
Week 4
 N (missing) 152 (5) 152 (2)
 Mean (SD) 11.2 (3.6) 11.1 (4.6)
 Median (range) 12 (1–20) 12 (1–20)
Week 12
 N (missing) 149 (2) 144 (7) 148 (3) 143 (8)
 Mean (SD) 12.3 (3.0) 1.1 (2.8) 10.8 (4.2) –0.2 (4.3)
 Median (range) 13 (4–20) 1 (−6 to +12) 11 (1–20) 0 (–12 to +17)
Week 24
 N (missing) 137 (1) 133 (5) 137 (1) 133 (5)
 Mean (SD) 12.4 (3.0) 1.3 (3.1) 10.1 (4.3) –0.8 (4.1)
 Median (range) 13 (1–18) 1 (−8 to +14) 10 (1–20) –1 (–3 to +1)