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大量的流行病学调查已经表明:接触矽尘工人肺结核发病率比非接尘一般居民高数倍,而矽肺并发结核发病率比非接尘工人和一般居民高出十倍,甚至数十倍。虽然矽肺并发结核的发病率与当地居民中结核病流行及防痨等因素有关,但矽肺易并发结核已被公认。据国内资料,矽肺并发结核发病率为10～90%不等。随着矽肺病情的进展,发病率也随之增高。一般
A large number of epidemiological investigations have shown that the incidence of tuberculosis among workers exposed to silica dust is several times higher than that of non-dust-exposed residents and that the incidence of silicosis complicated with tuberculosis is ten times or even tens of times higher than that of non-dust-exposed workers and the general population. Although the incidence of silicosis complicated by tuberculosis and tuberculosis prevalence and prevention of local residents and other factors, but the common silicosis of tuberculosis has been recognized. According to domestic data, the incidence of silicosis complicated with tuberculosis ranged from 10% to 90%. With the progress of silicosis, the incidence also increases. general