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. Author manuscript; available in PMC: 2021 Feb 8.
Published in final edited form as: Drug Saf. 2020 Oct 1;44(2):167–179. doi: 10.1007/s40264-020-00998-1

Figure 3: Relative Frequencies of System Categories by Adverse Event Data Sourcea.

Figure 3:

aCategories based on MedDRA System Organ Class Categories. Index is defined as dermatologic category (y-axis =1).

Categories reported relatively more frequently in Twitter than Index are above 1

For DIDS: Adverse event categories were combined to aggregate categories analogous to MedDRA SOCs:

Blood and Lymphatic System disorders +Neoplasms = Hematologic

Cardiac disorders + Vascular disorders = Cardiovascular

Endocrine disorders + Metabolism and Nutrition (combined to include Diabetes in all sources)

Immune system contains allergic reactions including anaphylaxis