Trends in cervical cancer mortality in Korea 1993-2002: Corrected mortality using national death certification data and national cancer incidence data

Hai Rim Shin, Sohee Park, Soon Young Hwang, Jung Eun Kim, Kyu Won Jung, Young Joo Won, Seung Sik Hwang, Seon Hee Yim, Son Choi Kui, Eun Cheol Park, Sang Yoon Park, Weon Kim Jae, Hyo Pyo Lee

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Cervical cancer is a major health problem for Korean women, accounting for 9.8% of new female cancer cases, even though incidence rates have been decreasing. The Korean cervical cancer mortality rate for 1993-2002 based on National Statistical Office data shows an increasing trend, but the actual rates are thought to have decreased by epidemiologists, clinicians and other cancer experts. To explain this gap and solve this problem, we corrected the number of cervical cancer deaths by comparing death certificate cases of unspecified uterine cancer data with the national cancer incidence databases of entire cancer registries in Korea. We used 2 different methods to make a correction. First, we considered "uterus, unspecified" deaths previously registered as "cervix, uterine" cases misclassified and added them to the cervical cancer deaths. Alternatively, we multiplied the total number of registered unspecified uterine cancer deaths by age-specific proportions of registered incident cervical cancer cases among all cancers and added the product to cervical cancer deaths. The overall corrected age-standardized cervical cancer mortality rates per 100,000 women decreased from 5.2 in 1993 to 3.9 in 2002 (estimated annual percentage change (EAPC): -4.05%, 95% CI: -4.88, -3.22). While cervical cancer mortality showed a decreasing tendency in women aged 30-69 years, it increased substantially in women aged ≥70 years (EAPC: 3.62%, 95% CI: 1.92-5.35). Results of this study will provide evidence-based foundation for the evaluation of the existing cervical cancer-screening programs.

Original languageEnglish
Pages (from-to)393-397
Number of pages5
JournalInternational Journal of Cancer
Volume122
Issue number2
DOIs
Publication statusPublished - 2008 Jan 15

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Certification
Korea
Uterine Cervical Neoplasms
Mortality
Incidence
Neoplasms
Uterine Neoplasms
Death Certificates
Early Detection of Cancer
Cervix Uteri
Uterus
Registries
Databases
Health

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

Shin, Hai Rim ; Park, Sohee ; Hwang, Soon Young ; Kim, Jung Eun ; Jung, Kyu Won ; Won, Young Joo ; Hwang, Seung Sik ; Yim, Seon Hee ; Kui, Son Choi ; Park, Eun Cheol ; Park, Sang Yoon ; Jae, Weon Kim ; Lee, Hyo Pyo. / Trends in cervical cancer mortality in Korea 1993-2002 : Corrected mortality using national death certification data and national cancer incidence data. In: International Journal of Cancer. 2008 ; Vol. 122, No. 2. pp. 393-397.
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abstract = "Cervical cancer is a major health problem for Korean women, accounting for 9.8{\%} of new female cancer cases, even though incidence rates have been decreasing. The Korean cervical cancer mortality rate for 1993-2002 based on National Statistical Office data shows an increasing trend, but the actual rates are thought to have decreased by epidemiologists, clinicians and other cancer experts. To explain this gap and solve this problem, we corrected the number of cervical cancer deaths by comparing death certificate cases of unspecified uterine cancer data with the national cancer incidence databases of entire cancer registries in Korea. We used 2 different methods to make a correction. First, we considered {"}uterus, unspecified{"} deaths previously registered as {"}cervix, uterine{"} cases misclassified and added them to the cervical cancer deaths. Alternatively, we multiplied the total number of registered unspecified uterine cancer deaths by age-specific proportions of registered incident cervical cancer cases among all cancers and added the product to cervical cancer deaths. The overall corrected age-standardized cervical cancer mortality rates per 100,000 women decreased from 5.2 in 1993 to 3.9 in 2002 (estimated annual percentage change (EAPC): -4.05{\%}, 95{\%} CI: -4.88, -3.22). While cervical cancer mortality showed a decreasing tendency in women aged 30-69 years, it increased substantially in women aged ≥70 years (EAPC: 3.62{\%}, 95{\%} CI: 1.92-5.35). Results of this study will provide evidence-based foundation for the evaluation of the existing cervical cancer-screening programs.",
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year = "2008",
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Shin, HR, Park, S, Hwang, SY, Kim, JE, Jung, KW, Won, YJ, Hwang, SS, Yim, SH, Kui, SC, Park, EC, Park, SY, Jae, WK & Lee, HP 2008, 'Trends in cervical cancer mortality in Korea 1993-2002: Corrected mortality using national death certification data and national cancer incidence data', International Journal of Cancer, vol. 122, no. 2, pp. 393-397. https://doi.org/10.1002/ijc.23015

Trends in cervical cancer mortality in Korea 1993-2002 : Corrected mortality using national death certification data and national cancer incidence data. / Shin, Hai Rim; Park, Sohee; Hwang, Soon Young; Kim, Jung Eun; Jung, Kyu Won; Won, Young Joo; Hwang, Seung Sik; Yim, Seon Hee; Kui, Son Choi; Park, Eun Cheol; Park, Sang Yoon; Jae, Weon Kim; Lee, Hyo Pyo.

In: International Journal of Cancer, Vol. 122, No. 2, 15.01.2008, p. 393-397.

Research output: Contribution to journalArticle

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T1 - Trends in cervical cancer mortality in Korea 1993-2002

T2 - Corrected mortality using national death certification data and national cancer incidence data

AU - Shin, Hai Rim

AU - Park, Sohee

AU - Hwang, Soon Young

AU - Kim, Jung Eun

AU - Jung, Kyu Won

AU - Won, Young Joo

AU - Hwang, Seung Sik

AU - Yim, Seon Hee

AU - Kui, Son Choi

AU - Park, Eun Cheol

AU - Park, Sang Yoon

AU - Jae, Weon Kim

AU - Lee, Hyo Pyo

PY - 2008/1/15

Y1 - 2008/1/15

N2 - Cervical cancer is a major health problem for Korean women, accounting for 9.8% of new female cancer cases, even though incidence rates have been decreasing. The Korean cervical cancer mortality rate for 1993-2002 based on National Statistical Office data shows an increasing trend, but the actual rates are thought to have decreased by epidemiologists, clinicians and other cancer experts. To explain this gap and solve this problem, we corrected the number of cervical cancer deaths by comparing death certificate cases of unspecified uterine cancer data with the national cancer incidence databases of entire cancer registries in Korea. We used 2 different methods to make a correction. First, we considered "uterus, unspecified" deaths previously registered as "cervix, uterine" cases misclassified and added them to the cervical cancer deaths. Alternatively, we multiplied the total number of registered unspecified uterine cancer deaths by age-specific proportions of registered incident cervical cancer cases among all cancers and added the product to cervical cancer deaths. The overall corrected age-standardized cervical cancer mortality rates per 100,000 women decreased from 5.2 in 1993 to 3.9 in 2002 (estimated annual percentage change (EAPC): -4.05%, 95% CI: -4.88, -3.22). While cervical cancer mortality showed a decreasing tendency in women aged 30-69 years, it increased substantially in women aged ≥70 years (EAPC: 3.62%, 95% CI: 1.92-5.35). Results of this study will provide evidence-based foundation for the evaluation of the existing cervical cancer-screening programs.

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