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Tonsillectomy in Adults over 40 Years of Age Does Not Increase the Risk of Pneumonia: A Three-Year Longitudinal Follow-Up Study

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  • Sung Joon Park

    (Department of Otorhinolaryngology-Head and Neck Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06973, Korea)

  • Chanyang Min

    (Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang 14068, Korea)

  • Dae Myoung Yoo

    (Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang 14068, Korea)

  • Sei Young Lee

    (Department of Otorhinolaryngology-Head and Neck Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06973, Korea)

  • Hyo Geun Choi

    (Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang 14068, Korea
    Department of Otorhinolaryngology-Head and Neck Surgery, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang 14068, Korea)

Abstract

To evaluate the effect of tonsillectomy on the subsequent risk of pneumonia in an adult population, a longitudinal follow-up case control study was conducted using a national health screening cohort dataset between 2003 and 2012. A total of 1005 tonsillectomy participants were 1:4 matched with 4020 control participants for age, sex, income, and region of residence. The number of pneumonia diagnoses were counted from the index date (ID) to the date after the first-year (post-ID 1y), second-year (post-ID 2y), and third-year (post-ID 3y) periods. Simple linear regression and multiple linear regression were conducted to calculate estimated values (EVs) and 95% confidence intervals for each post-ID pneumonia and compared between the two groups. Subgroup analyses were performed according to age, sex, and the number of pneumonia cases during the year prior to the ID (pre-ID 1y). In the simple linear regression model, post-ID pneumonia did not show a significant correlation with tonsillectomy (post-ID 1y: EV = 0.003; post-ID 2y: EV = 0.007; post-ID 3y: EV = 0.013; all p > 0.05). In the multiple regression model, post-ID pneumonia also did not show a significant correlation with tonsillectomy (post-ID 1y: EV = 0.001; post-ID 2y: EV = 0.006; post-ID 3y: EV = 0.011; all p > 0.05). In the subgroup analyses, tonsillectomy did not show a significant correlation with post-ID pneumonia in either the simple linear regression or multiple linear regression models (all p > 0.05). Tonsillectomy performed in the adult population did not show any effect in increasing the incidence of pneumonia during the first three postoperative years.

Suggested Citation

  • Sung Joon Park & Chanyang Min & Dae Myoung Yoo & Sei Young Lee & Hyo Geun Choi, 2021. "Tonsillectomy in Adults over 40 Years of Age Does Not Increase the Risk of Pneumonia: A Three-Year Longitudinal Follow-Up Study," IJERPH, MDPI, vol. 18(24), pages 1-11, December.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:24:p:13059-:d:699828
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    References listed on IDEAS

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    1. So-Young Kim & Chang-Ho Lee & Dae-Myoung Yoo & Chan-Yang Min & Hyo-Geun Choi, 2021. "Association between Chronic Obstructive Pulmonary Disease and Ménière’s Disease: A Nested Case—Control Study Using a National Health Screening Cohort," IJERPH, MDPI, vol. 18(9), pages 1-11, April.
    2. Freeman, J.L. & Jekel, J.F. & Freeman Jr., D.H., 1982. "Changes in age and sex specific tonsillectomy rates: United States, 1970-1977," American Journal of Public Health, American Public Health Association, vol. 72(5), pages 488-491.
    3. Hyo Geun Choi & Bumjung Park & Songyong Sim & Soon-Hyun Ahn, 2016. "Tonsillectomy Does Not Reduce Upper Respiratory Infections: A National Cohort Study," PLOS ONE, Public Library of Science, vol. 11(12), pages 1-10, December.
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