Population-Based Study on the All-Cause and Cause-Specific Risks of Mortality among Long-Term Opioid Analgesics Users without Cancer in Taiwan

(1) Background: The prevalence of opioid use in Taiwan increased by 41% between 2002 and 2014. However, little is known regarding the risk of mortality among long-term opioid analgesics users who do not have cancer. This study investigated this mortality risk with an emphasis on the calendar year an...

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Autores principales: Po-Feng Lee, Chung-Yi Li, Yen-Chin Liu, Chang-Ta Chiu, Wen-Hsuan Hou
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:deca200fcdee4ca48da350d1c854e03d2021-11-25T17:43:26ZPopulation-Based Study on the All-Cause and Cause-Specific Risks of Mortality among Long-Term Opioid Analgesics Users without Cancer in Taiwan10.3390/healthcare91114022227-9032https://doaj.org/article/deca200fcdee4ca48da350d1c854e03d2021-10-01T00:00:00Zhttps://www.mdpi.com/2227-9032/9/11/1402https://doaj.org/toc/2227-9032(1) Background: The prevalence of opioid use in Taiwan increased by 41% between 2002 and 2014. However, little is known regarding the risk of mortality among long-term opioid analgesics users who do not have cancer. This study investigated this mortality risk with an emphasis on the calendar year and patients’ age and sex. (2) Methods: This retrospective cohort study included 12,990 adult individuals without cancer who were long-term users of opioid analgesics and were randomly selected from the data set of Taiwan’s National Health Insurance program from 2000 to 2012. They were then followed up through 2013. Information on the underlying causes of death was retrieved from the Taiwan Death Registry. Age, sex, and calendar year-standardized mortality ratios (SMRs) of all-cause and cause-specific mortality were calculated with reference to those of the general population. (3) Results: With up to 14 years of follow-up, 558 individuals had all-cause mortality in 48,020 person-years (cumulative mortality: 4.3%, mortality rate: 11.62 per 1000 person-years). Compared with the general population, the all-cause SMR of 4.30 (95% confidence interval (95% CI): 3.95–4.66) was significantly higher: it was higher in men than in women, declined with calendar year and age, and was significantly higher for both natural (4.15, 95% CI: 3.78–4.53) and unnatural (5.04, 95% CI: 3.88–6.45) causes. (4) Conclusions: Long-term opioid analgesics use among individuals without cancer in Taiwan was associated with a significantly increased risk of mortality. The notably increased mortality in younger adults warrants attention. Strategies to reduce long-term opioid analgesics use, especially their overuse or misuse, are in an urgent need.Po-Feng LeeChung-Yi LiYen-Chin LiuChang-Ta ChiuWen-Hsuan HouMDPI AGarticleprescription opioidsmortalitystandardized mortality ratiounderlying cause of deathMedicineRENHealthcare, Vol 9, Iss 1402, p 1402 (2021)
institution DOAJ
collection DOAJ
language EN
topic prescription opioids
mortality
standardized mortality ratio
underlying cause of death
Medicine
R
spellingShingle prescription opioids
mortality
standardized mortality ratio
underlying cause of death
Medicine
R
Po-Feng Lee
Chung-Yi Li
Yen-Chin Liu
Chang-Ta Chiu
Wen-Hsuan Hou
Population-Based Study on the All-Cause and Cause-Specific Risks of Mortality among Long-Term Opioid Analgesics Users without Cancer in Taiwan
description (1) Background: The prevalence of opioid use in Taiwan increased by 41% between 2002 and 2014. However, little is known regarding the risk of mortality among long-term opioid analgesics users who do not have cancer. This study investigated this mortality risk with an emphasis on the calendar year and patients’ age and sex. (2) Methods: This retrospective cohort study included 12,990 adult individuals without cancer who were long-term users of opioid analgesics and were randomly selected from the data set of Taiwan’s National Health Insurance program from 2000 to 2012. They were then followed up through 2013. Information on the underlying causes of death was retrieved from the Taiwan Death Registry. Age, sex, and calendar year-standardized mortality ratios (SMRs) of all-cause and cause-specific mortality were calculated with reference to those of the general population. (3) Results: With up to 14 years of follow-up, 558 individuals had all-cause mortality in 48,020 person-years (cumulative mortality: 4.3%, mortality rate: 11.62 per 1000 person-years). Compared with the general population, the all-cause SMR of 4.30 (95% confidence interval (95% CI): 3.95–4.66) was significantly higher: it was higher in men than in women, declined with calendar year and age, and was significantly higher for both natural (4.15, 95% CI: 3.78–4.53) and unnatural (5.04, 95% CI: 3.88–6.45) causes. (4) Conclusions: Long-term opioid analgesics use among individuals without cancer in Taiwan was associated with a significantly increased risk of mortality. The notably increased mortality in younger adults warrants attention. Strategies to reduce long-term opioid analgesics use, especially their overuse or misuse, are in an urgent need.
format article
author Po-Feng Lee
Chung-Yi Li
Yen-Chin Liu
Chang-Ta Chiu
Wen-Hsuan Hou
author_facet Po-Feng Lee
Chung-Yi Li
Yen-Chin Liu
Chang-Ta Chiu
Wen-Hsuan Hou
author_sort Po-Feng Lee
title Population-Based Study on the All-Cause and Cause-Specific Risks of Mortality among Long-Term Opioid Analgesics Users without Cancer in Taiwan
title_short Population-Based Study on the All-Cause and Cause-Specific Risks of Mortality among Long-Term Opioid Analgesics Users without Cancer in Taiwan
title_full Population-Based Study on the All-Cause and Cause-Specific Risks of Mortality among Long-Term Opioid Analgesics Users without Cancer in Taiwan
title_fullStr Population-Based Study on the All-Cause and Cause-Specific Risks of Mortality among Long-Term Opioid Analgesics Users without Cancer in Taiwan
title_full_unstemmed Population-Based Study on the All-Cause and Cause-Specific Risks of Mortality among Long-Term Opioid Analgesics Users without Cancer in Taiwan
title_sort population-based study on the all-cause and cause-specific risks of mortality among long-term opioid analgesics users without cancer in taiwan
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/deca200fcdee4ca48da350d1c854e03d
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