Complications Following Colonoscopy in a Nationwide Standard Cohort: A Retrospective Case-control Study

Ji Woo Kim, Su Young Kim, Jung Hye Choi, Hyun Soo Kim, Jung Kuk Lee, Yun Tae Kim, Geunu Park, Dae Ryong Kang

Research output: Contribution to journalArticle

Abstract

Background/Aims: Despite the many reports of colonoscopy complications worldwide, few studies have been performed at the population level in Korea. In this study, a population-based study was performed to evaluate the incidence of post-colonoscopy perforations compared to a control group. Methods: Between January 2011 and December 2011, data for all cases (age over 45) who underwent a colonoscopy were collected from National Health Insurance Service using a random sampling method. The clinical characteristics and perforation incidence (within 30 days after the colonoscopy) of cases were identified, and cases were then compared with controls who had not undergone a colonoscopy. Results: Among 1,380,000 subjects, 31,177 cases and 62,354 controls were identified. Perforation occurred in 14 patients (0.04%) in the case group and one patient (<0.01%) in the control group (RR, 28.0; 95% CI 3.7-212.9, p<0.001). Subgroup analysis was followed according to the endoscopic procedure, gender and age. In subgroup analysis, colonoscopy-associated perforations occurred more in the therapeutic procedure (RR, 26; 95% CI 1.46-461.46), male (RR, 50; 95% CI 2.96-844.41), and age of 45-60 years (RR, 30; 95% CI 1.71-525.23). Conclusions: A colonoscopy procedure is related to an increased risk of perforation at the population level. In addition, the therapeutic procedure, male, and age of 45-60 years appeared to be associated with an increased risk of perforation.

Original languageEnglish
Pages (from-to)152-158
Number of pages7
JournalThe Korean journal of gastroenterology = Taehan Sohwagi Hakhoe chi
Volume73
Issue number3
DOIs
Publication statusPublished - 2019 Mar 25

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Colonoscopy
Case-Control Studies
National Health Programs
Control Groups
Incidence
Korea
Population
Therapeutics

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Kim, Ji Woo ; Kim, Su Young ; Choi, Jung Hye ; Kim, Hyun Soo ; Lee, Jung Kuk ; Kim, Yun Tae ; Park, Geunu ; Kang, Dae Ryong. / Complications Following Colonoscopy in a Nationwide Standard Cohort : A Retrospective Case-control Study. In: The Korean journal of gastroenterology = Taehan Sohwagi Hakhoe chi. 2019 ; Vol. 73, No. 3. pp. 152-158.
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Complications Following Colonoscopy in a Nationwide Standard Cohort : A Retrospective Case-control Study. / Kim, Ji Woo; Kim, Su Young; Choi, Jung Hye; Kim, Hyun Soo; Lee, Jung Kuk; Kim, Yun Tae; Park, Geunu; Kang, Dae Ryong.

In: The Korean journal of gastroenterology = Taehan Sohwagi Hakhoe chi, Vol. 73, No. 3, 25.03.2019, p. 152-158.

Research output: Contribution to journalArticle

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