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Korean Journal of Preventive Medicine 1999;32(3): 333-342.
The Prevalence of Cancer in Kangwha County.
Sang Wook Yi, Heechoul Ohrr, Kang Hee Lee, Suk Il Kim, Hyung Gon Kang, Sun Ha Jee
1Department of Preventive Medicine and Public Health, College of Medicine, Yonsei University, Korea.
2Department of Preventive Medicine, Catholic University of Korea, Korea.
3Department of Preventive Medicine, College of Medicine, Pochon Cha University, Korea.
4Graduate School of Health Science and Management, Yonsei University, Korea.
OBJECTIVES: Most descriptive studies of cancer have focused either on cancer incidence or mortality. Cancer prevalence has rarely been estimated. Cancer prevalence data can be used as a measure of the economic and social burden of cancer and are also useful for health care planning. This study attempts to estimate cancer prevalence in Kangwha county. METHODS: This investigation is based on data of Kangwha cancer registry. The data include all cases of cancer diagnosed from 1983 through 1992. We define "prevalent cases" as cancer patients who is alive as of January 1, 1993. For each five-year age group, the number of "known prevalent cases" is added to the number of "estimated prevalent cases". Prevalence is calculated by dividing these sums by the populations of Kangwha County on December 31, 1992(derived from Kangwha Statistics Annual). RESULTS: Crude prevalence of cancer among males and females are 536.7 and 601.1 per 100,000 respectively. Gastric cancer is the most common malignant neoplasm(213.2 per 100,000, crude prevalence) among males. It is followed by lung cancer(45.1 per 100,000), liver cancer(32.8 per 100,000), rectal cancer(25.4 per 100,000) and colon cancer(25.4 per 100,000). Cervical cancer is the most common cancer(201.9 per 100,000, crude prevalence) and is followed by gastric cancer(91.5 per 100,000), thyroid cancer(64.8 per 100,000), breast cancer(57.2 per 100,000) and rectal cancer(32.7 per 100,000) among females. CONCLUSIONS: We tried to estimate cancer prevalence based on the Kangwha cancer registry for the first time in Korea. The estimation of cancer prevalence based on a population-based cancer registry will be more correct and useful as the data accumulate. We will make another estimation in the near future.
Key words: Cancer; Cancer Registry; Prevalence
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