Quality of death certificates in Quemoy, Taiwan

Shiow Ing Wu, Pesus Chou, Shih Tzer Tsai, Hui Ju Yu, Tsung-Hsueh Lu, Tien Sher Chen, Swei Hu Chen

Research output: Contribution to journalReview article

2 Citations (Scopus)

Abstract

Background and Purpose: The age-adjusted mortality rate on the island of Quemoy was the lowest of any county in Taiwan in the years 2000-2001. However, the island's rate of mortality due to cardiovascular diseases fluctuates widely. This fluctuation suggests that Quemoy may be issuing inaccurate death certificates. Methods: To assess the quality of death certificates from Quemoy, 123 (15.3%) medical records for 800 deaths between 1994 and 1998 were reviewed by 3 medical specialists. The underlying cause of death from the original death certificate was compared to the underlying cause of death determined by 3 reviewers based on review of all available medical records. Results: The agreement index for all causes of death was 72.4%. Neoplasm had the highest sensitivity and positive predictive value for correct determination of underlying cause of death. Cardiovascular diseases had higher sensitivity, but lower positive predictive value than respiratory diseases. Neoplasms were under-reported by 25.5% but cardiovascular diseases were over-reported by 34.3%. Conclusions: Therefore, mortality statistic in Quemoy, which are based on death certificate data, may underestimate the frequency of neoplasms and overestimate cardiovascular diseases underlying causes of death. Our findings also suggest that researchers should exercise considerable caution when using death certificate data to determine cause of death in etiologic studies, especially in neoplasms and cardiovascular diseases.

Original languageEnglish
Pages (from-to)151-154
Number of pages4
JournalJournal of the Formosan Medical Association
Volume103
Issue number2
Publication statusPublished - 2004 Feb 1

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Death Certificates
Taiwan
Cause of Death
Cardiovascular Diseases
Islands
Medical Records
Mortality
Neoplasms
Research Personnel

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Wu, S. I., Chou, P., Tsai, S. T., Yu, H. J., Lu, T-H., Chen, T. S., & Chen, S. H. (2004). Quality of death certificates in Quemoy, Taiwan. Journal of the Formosan Medical Association, 103(2), 151-154.
Wu, Shiow Ing ; Chou, Pesus ; Tsai, Shih Tzer ; Yu, Hui Ju ; Lu, Tsung-Hsueh ; Chen, Tien Sher ; Chen, Swei Hu. / Quality of death certificates in Quemoy, Taiwan. In: Journal of the Formosan Medical Association. 2004 ; Vol. 103, No. 2. pp. 151-154.
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abstract = "Background and Purpose: The age-adjusted mortality rate on the island of Quemoy was the lowest of any county in Taiwan in the years 2000-2001. However, the island's rate of mortality due to cardiovascular diseases fluctuates widely. This fluctuation suggests that Quemoy may be issuing inaccurate death certificates. Methods: To assess the quality of death certificates from Quemoy, 123 (15.3{\%}) medical records for 800 deaths between 1994 and 1998 were reviewed by 3 medical specialists. The underlying cause of death from the original death certificate was compared to the underlying cause of death determined by 3 reviewers based on review of all available medical records. Results: The agreement index for all causes of death was 72.4{\%}. Neoplasm had the highest sensitivity and positive predictive value for correct determination of underlying cause of death. Cardiovascular diseases had higher sensitivity, but lower positive predictive value than respiratory diseases. Neoplasms were under-reported by 25.5{\%} but cardiovascular diseases were over-reported by 34.3{\%}. Conclusions: Therefore, mortality statistic in Quemoy, which are based on death certificate data, may underestimate the frequency of neoplasms and overestimate cardiovascular diseases underlying causes of death. Our findings also suggest that researchers should exercise considerable caution when using death certificate data to determine cause of death in etiologic studies, especially in neoplasms and cardiovascular diseases.",
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Wu, SI, Chou, P, Tsai, ST, Yu, HJ, Lu, T-H, Chen, TS & Chen, SH 2004, 'Quality of death certificates in Quemoy, Taiwan', Journal of the Formosan Medical Association, vol. 103, no. 2, pp. 151-154.

Quality of death certificates in Quemoy, Taiwan. / Wu, Shiow Ing; Chou, Pesus; Tsai, Shih Tzer; Yu, Hui Ju; Lu, Tsung-Hsueh; Chen, Tien Sher; Chen, Swei Hu.

In: Journal of the Formosan Medical Association, Vol. 103, No. 2, 01.02.2004, p. 151-154.

Research output: Contribution to journalReview article

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T1 - Quality of death certificates in Quemoy, Taiwan

AU - Wu, Shiow Ing

AU - Chou, Pesus

AU - Tsai, Shih Tzer

AU - Yu, Hui Ju

AU - Lu, Tsung-Hsueh

AU - Chen, Tien Sher

AU - Chen, Swei Hu

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N2 - Background and Purpose: The age-adjusted mortality rate on the island of Quemoy was the lowest of any county in Taiwan in the years 2000-2001. However, the island's rate of mortality due to cardiovascular diseases fluctuates widely. This fluctuation suggests that Quemoy may be issuing inaccurate death certificates. Methods: To assess the quality of death certificates from Quemoy, 123 (15.3%) medical records for 800 deaths between 1994 and 1998 were reviewed by 3 medical specialists. The underlying cause of death from the original death certificate was compared to the underlying cause of death determined by 3 reviewers based on review of all available medical records. Results: The agreement index for all causes of death was 72.4%. Neoplasm had the highest sensitivity and positive predictive value for correct determination of underlying cause of death. Cardiovascular diseases had higher sensitivity, but lower positive predictive value than respiratory diseases. Neoplasms were under-reported by 25.5% but cardiovascular diseases were over-reported by 34.3%. Conclusions: Therefore, mortality statistic in Quemoy, which are based on death certificate data, may underestimate the frequency of neoplasms and overestimate cardiovascular diseases underlying causes of death. Our findings also suggest that researchers should exercise considerable caution when using death certificate data to determine cause of death in etiologic studies, especially in neoplasms and cardiovascular diseases.

AB - Background and Purpose: The age-adjusted mortality rate on the island of Quemoy was the lowest of any county in Taiwan in the years 2000-2001. However, the island's rate of mortality due to cardiovascular diseases fluctuates widely. This fluctuation suggests that Quemoy may be issuing inaccurate death certificates. Methods: To assess the quality of death certificates from Quemoy, 123 (15.3%) medical records for 800 deaths between 1994 and 1998 were reviewed by 3 medical specialists. The underlying cause of death from the original death certificate was compared to the underlying cause of death determined by 3 reviewers based on review of all available medical records. Results: The agreement index for all causes of death was 72.4%. Neoplasm had the highest sensitivity and positive predictive value for correct determination of underlying cause of death. Cardiovascular diseases had higher sensitivity, but lower positive predictive value than respiratory diseases. Neoplasms were under-reported by 25.5% but cardiovascular diseases were over-reported by 34.3%. Conclusions: Therefore, mortality statistic in Quemoy, which are based on death certificate data, may underestimate the frequency of neoplasms and overestimate cardiovascular diseases underlying causes of death. Our findings also suggest that researchers should exercise considerable caution when using death certificate data to determine cause of death in etiologic studies, especially in neoplasms and cardiovascular diseases.

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Wu SI, Chou P, Tsai ST, Yu HJ, Lu T-H, Chen TS et al. Quality of death certificates in Quemoy, Taiwan. Journal of the Formosan Medical Association. 2004 Feb 1;103(2):151-154.