Trends in irritable bowel syndrome incidence among Taiwanese adults during 2003-2013

A population-based study of sex and age differences

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3 Citations (Scopus)

Abstract

Background No population-based irritable bowel syndrome (IBS) incidence data among Taiwanese adults are available. Whether IBS is associated with risk of organic colonic diseases remains unanswered. We investigated 1) the sex- and age-stratified trends in the annual incidence of IBS, and 2) the risk of selected organic diseases in patients with IBS compared with those without IBS among Taiwanese adults during 2003-2013. Methods Medical claims data for 1 million randomly selected beneficiaries were obtained and analyzed. Patients with IBS were considered eligible for enrollment if they aged between 20 and 100 and had at least two medical encounters with IBS codes within 1 year. To test whether there was a linear secular trend in IBS incidence over time, multivariate Poisson regression with generalized estimating equation model was conducted. The risk of selected organic diseases associated with IBS was examined using multivariate Cox proportional hazard regression. Results From 2003 to 2013, the incidence of IBS significantly decreased over time [adjusted incidence rate ratio (IRR) = 0.97, p< 0.001]; the incidence of IBS significantly increased with age (adjusted IRR = 1.03, p < 0.001) and was significantly higher in women than in men (adjusted IRR = 1.14, p< 0.001). IBS significantly associated with increased risk of microscopic colitis, inflammatory bowel disease, and colorectal cancer during a 10-year follow- up period. Conclusions The incidence of IBS increased with age and was slightly higher in women than in men among Taiwanese adults. During 2003-2013, IBS incidence gradually decreased over time. IBS may increase risk of several colonic organic diseases.

Original languageEnglish
Article numbere0166922
JournalPLoS One
Volume11
Issue number11
DOIs
Publication statusPublished - Nov 1 2016

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Irritable Bowel Syndrome
gender differences
Sex Characteristics
incidence
Incidence
Population
Colonic Diseases
Hazards
irritable bowel syndrome
Microscopic Colitis
inflammatory bowel disease
colitis
digestive system diseases
colorectal neoplasms
Inflammatory Bowel Diseases

ASJC Scopus subject areas

  • Medicine(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

@article{74a2e09783124ce7bd6bc16bb6b48998,
title = "Trends in irritable bowel syndrome incidence among Taiwanese adults during 2003-2013: A population-based study of sex and age differences",
abstract = "Background No population-based irritable bowel syndrome (IBS) incidence data among Taiwanese adults are available. Whether IBS is associated with risk of organic colonic diseases remains unanswered. We investigated 1) the sex- and age-stratified trends in the annual incidence of IBS, and 2) the risk of selected organic diseases in patients with IBS compared with those without IBS among Taiwanese adults during 2003-2013. Methods Medical claims data for 1 million randomly selected beneficiaries were obtained and analyzed. Patients with IBS were considered eligible for enrollment if they aged between 20 and 100 and had at least two medical encounters with IBS codes within 1 year. To test whether there was a linear secular trend in IBS incidence over time, multivariate Poisson regression with generalized estimating equation model was conducted. The risk of selected organic diseases associated with IBS was examined using multivariate Cox proportional hazard regression. Results From 2003 to 2013, the incidence of IBS significantly decreased over time [adjusted incidence rate ratio (IRR) = 0.97, p< 0.001]; the incidence of IBS significantly increased with age (adjusted IRR = 1.03, p < 0.001) and was significantly higher in women than in men (adjusted IRR = 1.14, p< 0.001). IBS significantly associated with increased risk of microscopic colitis, inflammatory bowel disease, and colorectal cancer during a 10-year follow- up period. Conclusions The incidence of IBS increased with age and was slightly higher in women than in men among Taiwanese adults. During 2003-2013, IBS incidence gradually decreased over time. IBS may increase risk of several colonic organic diseases.",
author = "Pan, {Chieh Hsin} and Chun-Chao Chang and Chien-Tien Su and Pei-Shan Tsai",
year = "2016",
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T1 - Trends in irritable bowel syndrome incidence among Taiwanese adults during 2003-2013

T2 - A population-based study of sex and age differences

AU - Pan, Chieh Hsin

AU - Chang, Chun-Chao

AU - Su, Chien-Tien

AU - Tsai, Pei-Shan

PY - 2016/11/1

Y1 - 2016/11/1

N2 - Background No population-based irritable bowel syndrome (IBS) incidence data among Taiwanese adults are available. Whether IBS is associated with risk of organic colonic diseases remains unanswered. We investigated 1) the sex- and age-stratified trends in the annual incidence of IBS, and 2) the risk of selected organic diseases in patients with IBS compared with those without IBS among Taiwanese adults during 2003-2013. Methods Medical claims data for 1 million randomly selected beneficiaries were obtained and analyzed. Patients with IBS were considered eligible for enrollment if they aged between 20 and 100 and had at least two medical encounters with IBS codes within 1 year. To test whether there was a linear secular trend in IBS incidence over time, multivariate Poisson regression with generalized estimating equation model was conducted. The risk of selected organic diseases associated with IBS was examined using multivariate Cox proportional hazard regression. Results From 2003 to 2013, the incidence of IBS significantly decreased over time [adjusted incidence rate ratio (IRR) = 0.97, p< 0.001]; the incidence of IBS significantly increased with age (adjusted IRR = 1.03, p < 0.001) and was significantly higher in women than in men (adjusted IRR = 1.14, p< 0.001). IBS significantly associated with increased risk of microscopic colitis, inflammatory bowel disease, and colorectal cancer during a 10-year follow- up period. Conclusions The incidence of IBS increased with age and was slightly higher in women than in men among Taiwanese adults. During 2003-2013, IBS incidence gradually decreased over time. IBS may increase risk of several colonic organic diseases.

AB - Background No population-based irritable bowel syndrome (IBS) incidence data among Taiwanese adults are available. Whether IBS is associated with risk of organic colonic diseases remains unanswered. We investigated 1) the sex- and age-stratified trends in the annual incidence of IBS, and 2) the risk of selected organic diseases in patients with IBS compared with those without IBS among Taiwanese adults during 2003-2013. Methods Medical claims data for 1 million randomly selected beneficiaries were obtained and analyzed. Patients with IBS were considered eligible for enrollment if they aged between 20 and 100 and had at least two medical encounters with IBS codes within 1 year. To test whether there was a linear secular trend in IBS incidence over time, multivariate Poisson regression with generalized estimating equation model was conducted. The risk of selected organic diseases associated with IBS was examined using multivariate Cox proportional hazard regression. Results From 2003 to 2013, the incidence of IBS significantly decreased over time [adjusted incidence rate ratio (IRR) = 0.97, p< 0.001]; the incidence of IBS significantly increased with age (adjusted IRR = 1.03, p < 0.001) and was significantly higher in women than in men (adjusted IRR = 1.14, p< 0.001). IBS significantly associated with increased risk of microscopic colitis, inflammatory bowel disease, and colorectal cancer during a 10-year follow- up period. Conclusions The incidence of IBS increased with age and was slightly higher in women than in men among Taiwanese adults. During 2003-2013, IBS incidence gradually decreased over time. IBS may increase risk of several colonic organic diseases.

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