Risk of leukemia among diagnostic x-ray workers in China between 1950 and 1990

Document Type

Article

Publication Date

1-1-1997

Abstract

OBJECTIVE: To explore the relationship between radiation and leukemia. METHODS: Leukemia incidences (1950-1990) in 27011 diagnostic X-ray workers and in 25782 other medical specialists employed between 1950 and 1980 in China were compared. RESULTS: The relative risk (RR) of leukemia in the diagnostic X-ray workers was 2.25-fold (95% C1=1.59-3.09, P<0.001) higher than that in the control group. The average age of the emergence of leukemia was 10.4 years younger in X-ray workers than in control group. The peak incidence of leukemia in X-ray workers occurred 10-14 years after engaging in X-ray work. The highest RR of leukemia was found in those who were engaged in X-ray work before 1965 or at age under 20 years. CONCLUSION: Incidence of Leukemia in X-ray workers increased and it was correlated with radiation dosage and duration.

Publication Source (Journal or Book title)

Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhi

First Page

84

Last Page

86

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