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표본 데이터를 이용한 자료의 분석: 편도선 절제술 이후 상기도 감염 빈도에 대한 동등성 분석 : Data analyses using the national sample cohort: Equivalence test for the frequency of upper respiratory infection after tonsillectomy

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Authors

최효근

Advisor
안순현
Major
의과대학 의학과
Issue Date
2017-08
Publisher
서울대학교 대학원
Keywords
Tonsillectomyrespiratory infectionupperpharyngitislaryngitiscohort studies
Description
학위논문 (박사)-- 서울대학교 대학원 의과대학 의학과, 2017. 8. 안순현.
Abstract
Introduction: The objective of this study was to compare post-operative visits for upper respiratory infections (URIs) between tonsillectomy and non-tonsillectomy participants (controls).
Material and methods: Using the national cohort study from the Korean Health Insurance Review and Assessment Service, 1:4 matched (age, sex, income, region, and pre-operative URI visit) tonsillectomy participants (5,831) and control participants (23,324) were selected. Post-operative visits for URI were measured from 1 to 9 years post-op. The equivalence test was used. The margin of equivalence of the difference (Tonsillectomy - Control group group) was set to -0.5 to 0.5. Results: There was no difference between the tonsillectomy and control group in 1- to 9-year post-op visits (-0.5 < 95% CI of difference < 0.5). URI visits gradually decreased from 5.5/2 years (pre-op) to 2.1/year (at 1 year post-op) and 1.4/year (at 9 years post-op) in both tonsillectomy and control groups. In the subgroup analysis (children Vs adolescent and adults
rare Vs frequent pre-operative URI), there was no difference in the number of post-op visits for URI between the tonsillectomy and control groups (-0.5 < 95% CI of difference < 0.5).
Conclusion: Tonsillectomy does not provide decrease the number of post-operative visits for URI, and URI decreased over time whether or not a tonsillectomy was performed.
Language
English
URI
https://hdl.handle.net/10371/137094
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