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Evidence for cervical cancer mortality with screening program in Taiwan, 1981–2010: age-period-cohort model

BACKGROUND: Cervical cancer is the most common cancer experienced by women worldwide; however, screening techniques are very effective for reducing the risk of death. The national cervical cancer screening program was implemented in Taiwan in 1995. The objective of this study was to examine and prov...

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Autores principales: Su, Shih-Yung, Huang, Jing-Yang, Ho, Chien-Chang, Liaw, Yung-Po
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3543840/
https://www.ncbi.nlm.nih.gov/pubmed/23297757
http://dx.doi.org/10.1186/1471-2458-13-13
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author Su, Shih-Yung
Huang, Jing-Yang
Ho, Chien-Chang
Liaw, Yung-Po
author_facet Su, Shih-Yung
Huang, Jing-Yang
Ho, Chien-Chang
Liaw, Yung-Po
author_sort Su, Shih-Yung
collection PubMed
description BACKGROUND: Cervical cancer is the most common cancer experienced by women worldwide; however, screening techniques are very effective for reducing the risk of death. The national cervical cancer screening program was implemented in Taiwan in 1995. The objective of this study was to examine and provide evidence of the cervical cancer mortality trends for the periods before and after the screening program was implemented. METHODS: Data from 1981 to 2010 of the causes of death registered were obtained from the Department of Health, Taiwan. Age-standardized mortality rates, age-specific rates, and age-period-cohort models that employed the sequential method were used to assess temporal changes that occurred between 1981 and 2010, with 1995 used as the separating year. RESULTS: The results showed that for both time periods of 1981 to 1995 and 1996 to 2010, age and period had significant effects, whereas the birth cohort effects were insignificant. For patients between 80 and 84 years of age, the mortality rate for 1981 to 1995 and 1996 to 2010 was 48.34 and 68.08. The cervical cancer mortality rate for 1996 to 2010 was 1.0 for patients between 75 and 79 years of age and 1.4 for patients between 80 and 84 years of age compared to that for 1981 to 1995. Regarding the period effect, the mortality trend decreased 2-fold from 1996 to 2010. CONCLUSIONS: The results of this study indicate a decline in cervical cancer mortality trends after the screening program involving Papanicolaou tests was implemented in 1995. However, the positive effects of the screening program were not observed in elderly women because of treatment delays during the initial implementation of the screening program.
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spelling pubmed-35438402013-01-14 Evidence for cervical cancer mortality with screening program in Taiwan, 1981–2010: age-period-cohort model Su, Shih-Yung Huang, Jing-Yang Ho, Chien-Chang Liaw, Yung-Po BMC Public Health Research Article BACKGROUND: Cervical cancer is the most common cancer experienced by women worldwide; however, screening techniques are very effective for reducing the risk of death. The national cervical cancer screening program was implemented in Taiwan in 1995. The objective of this study was to examine and provide evidence of the cervical cancer mortality trends for the periods before and after the screening program was implemented. METHODS: Data from 1981 to 2010 of the causes of death registered were obtained from the Department of Health, Taiwan. Age-standardized mortality rates, age-specific rates, and age-period-cohort models that employed the sequential method were used to assess temporal changes that occurred between 1981 and 2010, with 1995 used as the separating year. RESULTS: The results showed that for both time periods of 1981 to 1995 and 1996 to 2010, age and period had significant effects, whereas the birth cohort effects were insignificant. For patients between 80 and 84 years of age, the mortality rate for 1981 to 1995 and 1996 to 2010 was 48.34 and 68.08. The cervical cancer mortality rate for 1996 to 2010 was 1.0 for patients between 75 and 79 years of age and 1.4 for patients between 80 and 84 years of age compared to that for 1981 to 1995. Regarding the period effect, the mortality trend decreased 2-fold from 1996 to 2010. CONCLUSIONS: The results of this study indicate a decline in cervical cancer mortality trends after the screening program involving Papanicolaou tests was implemented in 1995. However, the positive effects of the screening program were not observed in elderly women because of treatment delays during the initial implementation of the screening program. BioMed Central 2013-01-08 /pmc/articles/PMC3543840/ /pubmed/23297757 http://dx.doi.org/10.1186/1471-2458-13-13 Text en Copyright ©2013 Su et al.; licensee BioMed Central Ltd. http://creativecommons.org/licenses/by/2.0 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Su, Shih-Yung
Huang, Jing-Yang
Ho, Chien-Chang
Liaw, Yung-Po
Evidence for cervical cancer mortality with screening program in Taiwan, 1981–2010: age-period-cohort model
title Evidence for cervical cancer mortality with screening program in Taiwan, 1981–2010: age-period-cohort model
title_full Evidence for cervical cancer mortality with screening program in Taiwan, 1981–2010: age-period-cohort model
title_fullStr Evidence for cervical cancer mortality with screening program in Taiwan, 1981–2010: age-period-cohort model
title_full_unstemmed Evidence for cervical cancer mortality with screening program in Taiwan, 1981–2010: age-period-cohort model
title_short Evidence for cervical cancer mortality with screening program in Taiwan, 1981–2010: age-period-cohort model
title_sort evidence for cervical cancer mortality with screening program in taiwan, 1981–2010: age-period-cohort model
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3543840/
https://www.ncbi.nlm.nih.gov/pubmed/23297757
http://dx.doi.org/10.1186/1471-2458-13-13
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