An Appendectomy Increases the Risk of Rheumatoid Arthritis: A Five-Year Follow-Up Study

• Ya-Mei Tzeng ,

  Contributed equally to this work with: Ya-Mei Tzeng, Ming-Chieh Tsai

  Affiliation Graduate Institute of Life Science, National Defense Medical Center, Taipei, Taiwan

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• Li-Ting Kao,

  Affiliation School of Public Health, National Defense Medical Center, Taipei, Taiwan

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• Senyeong Kao,

  Affiliation School of Public Health, National Defense Medical Center, Taipei, Taiwan

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• Herng-Ching Lin,

  Affiliation Sleep Research Center, Taipei Medical University Hospital, Taipei, Taiwan

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• Ming-Chieh Tsai ,

  Contributed equally to this work with: Ya-Mei Tzeng, Ming-Chieh Tsai

  Affiliation Division of Gastroenterology, Department of Internal Medicine, Cathay General Hospital, Taipei, Taiwan

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• Cha-Ze Lee

  * E-mail: czl@ntu.edu.tw

  Affiliation Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan

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