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Visualising the past to plan the future: a network analysis of the largest European dermatology conference
Robert Kaczmarczyk1, Felix King1, Linda Tizek1
1Technical University of Munich, School of Medicine, Department of Dermatology and Allergy, Biedersteiner Strasse 29, 80802 Munich, Germany.
Background:
The annual conference of the European Academy of Dermatology and Venereology is one the largest dermatology conferences worldwide.
Objectives:
Network analysis can be used for in-depth insight into trending topics and underlying trends at the congress.
Materials & Methods:
Network analysis was employed to assess the entirety of the submitted abstracts to the congress in 2019. The data were processed, analysed, and visualised using easy-to-understand network graphs. Topics were then compared to their respective global burden (Disease Adjusted Life Years [DALYs]) and the number of respective publications on PubMed in the year 2018.
Results:
Overall, 1,280 lecture titles and 1,941 poster titles were included in the final analysis. The most frequently used terms were "patients" (n = 473), "treatment" (n = 301), and "psoriasis" (n = 335). Relative to DALYs, "psoriasis" (+21.9%) among others, was rather over-represented, while "fungal skin diseases" (-7.6%) and "urticaria" (-6.4%) were under-represented. Compared to the relative number of PubMed publications in 2018, "psoriasis" (+20.3%), "acne" (+7.9%), and "alopecia" (+3.1%) were over-represented, while "melanoma" (-22.5%), "dermatitis" (-4.2%) and "pruritus" (-3.4%) were rather under-represented.
Conclusion:
The network analysis showed that the congress was a patient and therapy-centred event. An explanation for the particular focus on chronic inflammatory skin diseases and melanoma would be the introduction of new therapies at the congress. To delineate trends over time, a longitudinal network analysis including several congresses should be conducted and could be used to determine additional topics to be included in future events.
