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Characterizing Twitter Influencers in Radiation Oncology.

Luca F Valle1, Fang-I Chu1, Marc Smith2

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This summary is machine-generated.

Social media in radiation oncology is dominated by a hub-and-spoke network. Male, North American academic radiation oncologists are the most influential voices on Twitter.

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Area of Science:

  • Social Media Analysis
  • Network Science
  • Radiation Oncology

Background:

  • The landscape of virtual discourse and influential entities in radiation oncology social media is not well understood.
  • Characterizing these online communities is crucial for understanding information dissemination in the field.

Purpose of the Study:

  • To analyze the structure of virtual discourse on Twitter within radiation oncology.
  • To identify and categorize influential users in the #radonc community.

Main Methods:

  • A year-long prospective sampling of tweets using the #radonc hashtag.
  • Community detection algorithms (Clauset-Newman-Moore) to group Twitter handles.
  • Betweenness centrality to identify top influencers and regression analysis to predict influence.

Main Results:

  • The #radonc network functions as a hub-and-spoke broadcast model.
  • Professional societies were the most influential category, followed by industry and then individuals.
  • Male, US-based academic radiation oncologists were significant predictors of higher influence.

Conclusions:

  • Influential Twitter users in radiation oncology are diverse, but male North American academic radiation oncologists hold prominent positions.
  • Regular network analysis is needed to monitor influential voices and ensure social media effectively contributes to radiation oncology.