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National health insurance data analysis on association between abdominal aortic aneurysm and cancer : 복부대동맥류와 암의 연관성에 대한 국민건강보험공단자료 분석

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dc.contributor.advisor김호-
dc.contributor.author김향경-
dc.date.accessioned2021-11-30T06:41:04Z-
dc.date.available2021-11-30T06:41:04Z-
dc.date.issued2021-02-
dc.identifier.other000000164336-
dc.identifier.urihttps://hdl.handle.net/10371/176589-
dc.identifier.urihttps://dcollection.snu.ac.kr/common/orgView/000000164336ko_KR
dc.description학위논문 (석사) -- 서울대학교 대학원 : 보건대학원 보건학과(보건학전공), 2021. 2. 김호.-
dc.description.abstractBackground: Cancer and abdominal aortic aneurysm (AAA) each carry substantial morbidity and mortality and commonly develop in old age. In case of coexistence of both diseases, difficulty may be encountered to set up a treatment plan and long-term survival of patients with both disease tends to be lower compared to the patients with AAA alone. Clinical trials or observational studies with sufficient power to prove the association between them were limited because of relatively low frequency as well as slow disease process of both diseases. Therefore, we purposed to determine whether there is a significant association between abdominal aortic aneurysm and cancer with using nationwide data.
Material and methods: With using the national health insurance service-national sample cohort of South Korea, patients over 50 years who were diagnosed with AAA between 2002 and 2015, patients with heart failure (HF) and controls without AAA or HF matched by age, sex and cardiovascular risk factors were enrolled. Primary outcome was the incidence rates of cancer were assessed in participants with and without AAA. Secondary outcome was cancer related survival and cancer risk.
Results: A total of 823 patients with AAA, from 50 years (mean [SD] age, 71.8 [9.4] years; 552 [67.1%] men) and each matched 823 heart failure patients without AAA and controls without AAA were identified. The prevalence of cancer was 45.2% (372/823) in AAA group, 41.7% (343/823) in HF group, and 35.7% (294/823) in controls and it was significantly higher in AAA group than controls (P <.001). The risk of developing cancer was higher in patients with AAA than in control group (adjusted odds ratio 1.52 [95% CI, 1.24 - 1.86], P <.001), as in HF group (adjusted odds ratio 1.37 [1.24-1.86], P =.006). Cancer related -death rate per 100 person-years was 4.36 in AAA group, 4.16 in HF group and 3.43 in control and the mortality was 2.64 times higher ([95% CI, 2.22-3.13], P <001) for AAA group and 1.63 ([95% CI, 1.37-1.92], P <.001) for HF group than controls. Most common cause of death in AAA patients were cancer and cardiovascular disease.
Conclusion: There was significantly increased risk of cancer in AAA patients than HF patients and controls during the 13 years of follow-up. Most common cause of death in AAA patients were cardiovascular disease and cancer. Therefore appropriate screening algorithm might be necessary for earlier detection of both diseases to improve long-term survival.
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dc.description.abstract배경: 암과 복부대동맥류는 사망률과 이환율이 높은 질환이며 두 질환 모두 고령에서 발생율이 높다 두 질환이 공존하는 경우 치료에 어려움이 있고 생존율이 낮은 것으로 알려져 있다. 두 질환이 공존하는 경우는 비교적 흔하지 않기 때문에 두 질환의 상관관계는 아직까지 분명하지 않은 상태이다. 이 연구에서는 국민건강보험공단 자료를 이용한 분석을 통하여 두 질환의 상관관계를 밝히고자 한다.
방법: 국민건강보험공단 표본코호트를 이용하여 연구를 시행하였다. 대상자는 2002년부터 2015년 사이 50세 이상으로 하였고 복부대동맥류와 관련한 ICD-10 코드를 이용하여 선정하였다. 대조군으로 복부대동맥류가 없는 심부전환자와 두 군을 뺀 나머지 환자를 성별, 나이, 심혈관질환 위험인자로 1:1:1 짝짓기를 시행하였다. 주요 관심 결과는 복부대동맥류 유무에 따른 암발생율의 차이이며 부수적으로 암 여부에 따른 생존율 분석과 암 발생 위험도를 분석하였다.
결과: 포함기준을 만족시키는 환자는 총 823명으로 평균 나이는 71.8세 (표준편차 9.4), 그중 67.1 % (552/823)는 남자였다. 비교를 위해 대조군으로 각각 823명의 심부전환자와 823명의 환자를 선정하였다. 각 군에서 암이 동반된 환자는 복부대동맥류 환자군에서 372명 (45.2%), 심부전군에서 343명 (41.7%), 대조군에서 294(35.7%) 명으로 암유병율은 대조군에 비해 유의하게 높았다 (P<.001). 암발생 시기는 복부대동맥류 진단 6개월 이전에서 177명 (21.5%), 복부대동맥류 진단 6개월 이전에서 6개월 이후 사이에 103명 (12.5%), 복부대동맥류 발생 6개월 이후에 암이 발생한 경우는 92명 (11.2%)였다. 암발생 위험도는 복부대동맥류 환자에서 심부전군과 마찬가지로 대조군에 비해 유의하게 높았다(복부대동맥류 환자의 보정 위험비, 1.52 [95% 신뢰구간, 1.24 – 1.86]: P<.001, 심부전 환자의 보정 위험비, 1.37 [95% 신뢰구간, 1.09 – 1.72]: P=.006). 100인년당 암 연관 사망률은 복부대동맥류군에서 4.36, 심부전군에서 4.16, 대조군에서 3.43으로 복부대동맥류군에서는 대조군에 비해2.64배 높았고 ([95% 신뢰구간, 2.22-3.13], P<001) 심부전환자군에서는 대조군에 비해1.63배
높았다 ([95% 신뢰구간, 1.37-1.92], P<.001). 복부대동맥류 환자에서 장기 관찰 중 주요 사인은 암, 심혈관질환, 뇌혈관질환이었다.
결론: 복부대동맥류 환자에서 암 발생율 및 암 발생위험도는 대조군 및 심부전증 환자군에 비해 유의하게 높았다. 복부대동맥류 환자에서의 가장 흔한 사인은 암과 심혈관계질환이었다. 따라서 복부대동맥류와 암을 동시에 조기 발견할 수 있는 적절한 선별검사가 필요하다.
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dc.description.tableofcontentsAbstract
Introduction ----------------------------------------------------------------------------------------1
Materials and methods ---------------------------------------------------------------------------2
Data sources 2
Study design and cohort definition 2
Study outcome 4
Statistics 4
Results --------------------------------------------------------------------------------------------5
1. Baseline demographics 5
Characteristics of study population 5
Abdominal aortic aneurysm 7
2. Association between AAA and cancer 8
Annual incidence of AAA and cancer 8
Incidence of cancer 8
Comparison of the risk of cancer between the groups 10
Cancer risk by age group 10
3. Risk of new onset cancer 13
4. Mortality rate and cause of death 15
Comparison of mortality rate 15
Cause of death 16
Mortality rate with and without cancer in AAA patients 17
Discussion ----------------------------------------------------------------------------------------18
Limitation 21
Conclusion ----------------------------------------------------------------------------------------22
References ----------------------------------------------------------------------------------------23
국문초록 -------------------------------------------------------------------------------------------28

Tables
Table 1. Baseline demographic data 6
Table 2. Postoperative outcome in AAA group 7
Table 3. Cancer diagnosis period based on index date in each group 9
Table 4. Comparison of risk of cancer among three groups 11
Table 5. Cancer risk stratified by age group (50-65 and ≥65 years) 12
Table 6. Cancer incidence in subjects without cancer until 6 months after index date 13
Table 7. Comparison of mortality rate 15
Table 8. Major cause of death 17
Table 9. Mortality rate according to cancer in AAA patients. 18

Figures
Figure 1. Flow diagram 3
Figure 2. Diagnosis period of cancer based on the index date. 4
Figure 3. Annual incidence of AAA and cancer 8
Figure 4. Cancer free survival during the long-term follow-up in patients without cancer until 6 months after index date 14
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dc.format.extentiv, 29-
dc.language.isoeng-
dc.publisher서울대학교 대학원-
dc.subjectabdominal aortic aneurysm-
dc.subjectcancer-
dc.subjectmortality-
dc.subjectcause of death-
dc.subjectheart failure-
dc.subject복부대동맥류-
dc.subject악성신생물-
dc.subject사망률-
dc.subject사인-
dc.subject심부전-
dc.subject.ddc614-
dc.titleNational health insurance data analysis on association between abdominal aortic aneurysm and cancer-
dc.title.alternative복부대동맥류와 암의 연관성에 대한 국민건강보험공단자료 분석-
dc.typeThesis-
dc.typeDissertation-
dc.contributor.AlternativeAuthorKim, Hyangkyoung-
dc.contributor.department보건대학원 보건학과(보건학전공)-
dc.description.degreeMaster-
dc.date.awarded2021-02-
dc.contributor.major보건통계-
dc.identifier.uciI804:11032-000000164336-
dc.identifier.holdings000000000044▲000000000050▲000000164336▲-
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