ANALYSIS OF THE INCIDENCN AND MORTALITY OF LUNG CANCER AMONG YUNNAN TIN MINERS AT 1985
1987
A phenomenon that the yunnan tin miners have high incidence rateof lung cancer is quite extraordinary. The male miners are the most susceptible to lung cancer. At 1985, the crude incidence rate of lung cancer among the male miners was 584.26/105 and the standardized incidence rate was 253.86/105 The incidence rate of lung cancer among miners who started underground works in the recent 35 years is tending dounwards. The average onset age of lung cancer was 62.8, and the average death age was 63.5. The average time from the starting of underground working to the diagnosis of lung cancer was about 40 years.
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