Epidemiological survey of childhood leukemia
Kuang, X.F.
Zhonghua Yu Fang Yi Xue Za Zhi 23(4): 234-236
1989
ISSN/ISBN: 0253-9624 PMID: 2627840 Document Number: 333485
This paper reports epidemiological data of childhood leukemia in the 14 years 1973 .apprx. 1986 in Qidong county, Jiangsu province. Mortality of childhood leukemia was 1.74 per 10 million, taking first place among various malignant tumors of children. The annual mortality distribution of this disease and the age and season at death showed no significant difference. But finer age grouping of death rates revealed remarkable difference. Thus, in 0 .apprx. 4 age-group the mortality was 2.95 per 10 million higher than the remainder. Childhood leukemia mortality by space-Time Clusters analysis showed the significance of difference lobe P > .0.5, suggesting that childhood leukemia mortality in space and time clusters was random.