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Bin-Bin Cui, Yan-Long Liu, Department of Abdominal Surgery, Tumor Hospital of Harbin Medical University, Harbin 150081, Heilongjiang Province, China.
Hui He, Shu-Ling Wu, Center for Disease Control of Nangang District, Harbin 150081, Heilongjiang Province, China
Xi-Wen Sun, Ying-Ji Lin, Xu-Dong Dai, Institute of Cancer Research, Harbin Medical University, Harbin 150081, Heilongjiang Province, China
Correspondence to: Xi-Wen Sun, Institute of Cancer Research, Harbin Medical University, Harbin 150081, Heilongjiang Province, China. xwsun2000@126.com
Received: April 18, 2007 Revised: July 11, 2007 Accepted: July 28, 2007 Published online: August 8, 2007
AIM: To determine the epidemiological characteristics of colorectal carcinoma (CRC) morbidity in the nangang district, Harbin, and to highlight the harmful effects of CRC on the community.
METHODS: Data on morbidity and mortality of CRC in the nangang district (1992-2001) were sorted and coded according to ICD-9 criteria. The crude morbidity and mortality, age-standardized morbidity (adjusted by the world population), truncated morbidity (35-64 years old), as well as cumulative rates (0-65 years old) were respectively calculated. Morbidity in the near future was predicted based on Gray Modeling (GM1, 1).
RESULTS: The CRC morbidity had been significantly increasing annually (u = 2.87, P < 0.01). Morbidity increased from 13.06/100 000 (1992-1993) to 23.54/100 000 (2004-2005), with an average of 5.73% for each year. The increasing average rates of morbidity were 6.94% and 4.46% for males and females, respectively. In the 60-79-year-old age group, morbidity for men was significantly higher than the incidence for women (u = 5.47, P < 0.01). The largest proportion of CRC patients were white-collar workers. The predicted morbidity for CRC in 2010 is 44.85/100 000 and 33.19/100 000 for males and females, respectively.
CONCLUSION: The morbidity rate for CRC will continue to increase in the future.
Key Words: Colorectal carcinoma; Morbidity
Citation: Cui BB, Liu YL, He H, Wu SL, Sun XW, Lin YJ, Dai XD. Morbidity trends for colorectal carcinoma in the Nangang District of Harbin from 1992 to 2005. Shijie Huaren Xiaohua Zazhi 2007; 15(22): 2442-2446
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